Home - Physics Mastered - Master Physics

A Sculpture in Equilibrium

Question

The abstract sculpture shown in the figure can be placed on a horizontal surface without tipping over. Different parts of the sculpture may be hollow or solid, or made of different materials, but the artist isn’t revealing any such information.

solved 0

General Physics 5 years 1 Answer 1450 views

Axis of Rotation and Moment of Inertia Ranking Task

Question

Two identical uniform solid spheres are attached by a solid uniform thin rod, as shown in the figure. The rod lies on a ...

solved 0

General Physics 5 years 1 Answer 7630 views

Balancing Torques Ranking Task

Question

A sign is to be hung from the end of a thin pole, and the pole supported by a single cable. Your design firm brainstorms the six scenarios shown below. In scenarios A, B, and D, the cable is attached ...

solved 0

General Physics 5 years 1 Answer 9729 views

Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the surface of the disk and do not slip). Ladybug 1 is halfway between ladybug 2 and the axis of rotation.

Question

Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the surface of the disk and do not slip). Ladybug 1 is halfway between ladybug 2 and the axis of ...

solved 0

General Physics 5 years 1 Answer 3255 views

Our Sun rotates about the center of our Galaxy (mG≈4×1041kg) at a distance of about 3×104 light-years

Question

[1ly=(3.00×108m/s)⋅(3.16×107s/yr)⋅(1.00yr)]. What is the period of the Sun’s orbital motion about the center of the Galaxy? Express your answer using one significant figure.

solved 0

General Physics 5 years 1 Answer 8630 views

Linear and Rotational Quantities Conceptual Question

Question

A merry-go-round is rotating at constant angular speed. Two children are riding the merry-go-round: Alan is riding at point A and Isamu is riding at point B. A) Which child moves with greater magnitude of velocity? B) Who moves with greater magnitude ...

solved 0

General Physics 5 years 1 Answer 2291 views

Net Torque on a Pulley

Question

The figure below shows two blocks suspended by a cord over a pulley. The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The ...

solved 0

General Physics 5 years 1 Answer 3933 views

Pivoted Rod with Unequal Masses

Question

The figure shows a simple model of a seesaw. These consist of a plank/rod of mass mr and length 2x allowed to pivot freely about its center (or central axis), as shown in the diagram. A small sphere of mass m1 is attached to ...

solved 0

General Physics 5 years 1 Answer 6546 views

Playing in the Field

Question

Four children are playing in a field. The children form a line, holding hands. The player at the front of the line starts to spin around faster and faster, causing the others to run in circle, as shown in the ...

solved 0

General Physics 5 years 1 Answer 3356 views

Torque Magnitude Ranking Task

Question

The wrench in the figure has six forces of equal magnitude acting on it. A) Rank these forces (A through F) on the basis of the magnitude of the ...

solved 0

General Physics 5 years 1 Answer 10290 views

1 … 17 18 19 20

What are the Additional Qualifying Criteria For Free Boiler Schemes?

Question

The free boiler scheme was started in January 2013 to lower UK energy usage and provide payments to low-income households to help them enhance their home’s energy efficiency. The boiler schemes in Wolverhampton are part of the Energy Company Obligation (ECO). ...

General Physics 2 months 0 Answers 407 views

Tactics Box 9.1 Drawing a Before-and-After Visual Overview

Question

Learning Goal: To practice Tactics Box 9.1 Drawing a before-and-after visual overview. During a collision, two objects exert forces on each other that vary in a complex way during the time of the collision. Using Newton’s second law to predict the outcome ...

General Physics 5 years 0 Answers 2907 views

Physics Torque & Force

Question

You’re carrying a 3.8-m-long, 24

General Physics 4 years 0 Answers 1905 views

What are the benefits of heat pumps?

Question

Heat pumps are a type of renewable energy technology that extracts energy from the outside air, enhances it to a higher temperature, and transfers it into your home. It is a cheaper renewable heating system to heat your home and ...

General Physics 3 weeks 0 Answers 49 views

What is the speed of a point on the earth’s surface located at 1/5 of the length of the arc between the equator and the pole, measured from equator? (Hint: what is the radius of the circle in which the point moves?)

Question

The earth’s radius is 6.37×106m; it rotates once every 24 hours.

General Physics 3 years 0 Answers 1496 views

How a Learning Management System Enhances Employee Productivity?

Question

It’s simple to boost staff productivity using an online teaching platform quick login solution. Are you curious as to how? Employees, on the other hand, just need a minute to log in to several platforms in order to do ...

General Physics 3 weeks 0 Answers 42 views

If the driver applies an equal force on each side of the wheel, what is the minimum force each hand must supply?

Question

A driver holds his hands on opposite sides of the 35-cm-diameter steering wheel in a modern sports car. A torque of 4.5 N⋅m is required to turn the wheel.

General Physics 3 years 0 Answers 1536 views

How Learning Management Systems Can be best for Companies?

Question

Since more firms are moving to remote or semi-remote work, a good online training system is more necessary than ever. However, e-learning isn’t solely used by remote enterprises. An asynchronous learning strategy can assist almost every firm. The core of online ...

General Physics 3 weeks 0 Answers 36 views

Climbing

Question

A 71 kg

General Physics 2 years 0 Answers 1027 views

What is the purpose of a learning management system?

Question

While there are numerous advantages to employing a learning management system, such as cost savings and security, the primary goal of a learning management system is to deliver and track learning and eLearning efforts in one location. The appearance ...

General Physics 3 weeks 0 Answers 35 views

1 … 17 18 19 20

1 … 16 17 18

No Questions Found.

How exactly does a newton’s cradle work?

Question

I understand that it has to do with conservation of momentum. But why is it that if you pull one ball back and drop it only the one on the end is affected. Why ...

in progress 0

General Physics 5 years 1 Answer 658 views

Why has it proven so hard to find new cutting edge physics beyond the standard model at the LHC?

Question

Is it more likely to come from gravitational waves and a possible black hole fire wall discovery than the LHC? Will the LHC ever find new physics beyond the standard model?

in progress 0

General Physics 5 years 1 Answer 652 views

If a feather is dropped from a height, would its apparent weight be equal to its true weight or zero as in weightlessness.?

Question

I understand that the drag force acting on the feather would be abundant so it would reach terminal velocity soon and thus a = 0 So, apparent weight = m(g-a) = true weight. But what bothers me is ...

in progress 0

General Physics 5 years 1 Answer 650 views

Why do waves have a shorter wavelength in shallower water?

Question

Here’s my very limited and vague answer that really bears not too much detail: The Wave fronts are closer together and since the frequency is constant, and v = f*lambda, if lambda has decreased therefore v has too.

in progress 0

General Physics 5 years 1 Answer 648 views

Apollo: How realistic was the experiment dropping a hammer and feather on the moon?

Question

Good TV – but I always doubted the experimental usefulness. Dropped by hand, with only a TV camera for timing? I imagine a similar experiment on Earth (after Galileo) would use: Equipment to release the items Equipment ...

in progress 0

General Physics 5 years 1 Answer 647 views

Is there a way to calculate how much calories are burnt when you run?

Question

I want formulas. I know that kinetic energy equals 1/2mv2, could it be calculated with this? Let s say for instance that I run 500 meters in a time 500 seconds. How would I ...

in progress 0

General Physics 5 years 1 Answer 644 views

Why is it when we ride in a car with the windows opened the air hits us?

Question

I feel like it’s somewhat related to the Bernoulli’s Principle “an increase in the velocity of a stream of fluid results in a decrease in pressure” So my theory is that a car that moves with a high velocity ...

in progress 0

General Physics 5 years 1 Answer 643 views

A generator induces a current via a changing magnetic flux. Why are generators called power sources if they induce a voltage?

Question

Shouldn’t they be called a voltage source? Power is joules per second.

in progress 0

General Physics 5 years 1 Answer 639 views

Why is it that when an object sinks down the water, its weight of water displaced< its weight?

Question

Let’s say we have a Eureka tube. I put an old egg inside and it sinks. This shows that the buoyant force acting on the egg is less than the weight of the ...

in progress 0

General Physics 5 years 1 Answer 638 views

Is it possible to travel back in time? Like what method of experimentation could be done to test it out? Which sub field of physics is this?

Question

They say traveling back in time is impossible but speaking from a physics standpoint what calculation are used? Which field in physics does this come under?

in progress 0

General Physics 5 years 1 Answer 628 views

1 … 17 18 19 20

Ask Questions, Get Solutions - Master Mastering Physics

A Sculpture in Equilibrium

Axis of Rotation and Moment of Inertia Ranking Task

Balancing Torques Ranking Task

Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the surface of the disk and do not slip). Ladybug 1 is halfway between ladybug 2 and the axis of rotation.

Our Sun rotates about the center of our Galaxy (mG≈4×1041kg) at a distance of about 3×104 light-years

Linear and Rotational Quantities Conceptual Question

Net Torque on a Pulley

Pivoted Rod with Unequal Masses

Playing in the Field

Torque Magnitude Ranking Task

What are the Additional Qualifying Criteria For Free Boiler Schemes?

Tactics Box 9.1 Drawing a Before-and-After Visual Overview

Physics Torque & Force

What are the benefits of heat pumps?

What is the speed of a point on the earth’s surface located at 1/5 of the length of the arc between the equator and the pole, measured from equator? (Hint: what is the radius of the circle in which the point moves?)

How a Learning Management System Enhances Employee Productivity?

If the driver applies an equal force on each side of the wheel, what is the minimum force each hand must supply?

How Learning Management Systems Can be best for Companies?

Climbing

What is the purpose of a learning management system?

A charge of -7 x 10-8 C exerts a force of 0.045 N on a charge of +6.0 x 10-7.

A 1340 kg Triumph TR-8 traveling north at 43 km/hr crashes head-on into a 1850 kg Checker cab moving west at 87 km/hr.

A 60 kg package rests on the level floor of a warehouse.

The coefficient of friction between the sole of a shoe and a tile span roof is 0.36.

A 1-kg of wood is pressed against a vertical wall (µs= 0.25) by a force inclined 40º upward with respect to the vertical axis.

How exactly does a newton’s cradle work?

Why has it proven so hard to find new cutting edge physics beyond the standard model at the LHC?

If a feather is dropped from a height, would its apparent weight be equal to its true weight or zero as in weightlessness.?

Why do waves have a shorter wavelength in shallower water?

Apollo: How realistic was the experiment dropping a hammer and feather on the moon?

Is there a way to calculate how much calories are burnt when you run?

Why is it when we ride in a car with the windows opened the air hits us?

A generator induces a current via a changing magnetic flux. Why are generators called power sources if they induce a voltage?

Why is it that when an object sinks down the water, its weight of water displaced< its weight?

Is it possible to travel back in time? Like what method of experimentation could be done to test it out? Which sub field of physics is this?

Register Now

Login

Lost Password

Add question

Login

Register Now

Ask Questions, Get Solutions - Master Mastering Physics