Question
a) What was the lizard’s velocity in the first 2 seconds? b)What was the lizard’s velocity from 2-4 seconds? c) What was the lizard’s velocity from 4-5 seconds?
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General Physics 7 years 1 Answer 1041 views

Question
Particle A of mass 500g is moving with a constant velocity of 12m s^-1 towards particle B of mass 1.5kg which is initially at rest. After collision, particle A comes to a rest and particle B moves ...
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General Physics 7 years 1 Answer 2730 views

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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 ...
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General Physics 7 years 1 Answer 7563 views

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A positive lens with focal point ”f” are used to image an object according to the figure below. For what distances ”a”(expressed in ”f”) can we get with the following characteristics; a) Up- and down, smaller and real. b) Upright, enlarged ...
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General Physics 7 years 1 Answer 1131 views

Question
An aircraft lands on a runway at a velocity of 40 m s-1 and brakes to a halt in a distance of 860 m. Calculate a) the breaking time b) the deceleration of the aircraft
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General Physics 7 years 1 Answer 1026 views

  1. When an object moving in a circle at a constant speed?

    RvTDLR
    0
    October 4, 2017 at 2:55 pm
    Centripetal acceleration = v^2 ÷ r v^2 is constant. This mea

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

    RvTDLR
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    October 4, 2017 at 2:53 pm
    In a gas, where there can be a terminal velocity, the drag i

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    RvTDLR
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    October 4, 2017 at 2:51 pm
    Total weight = 300 + 500 = 800 N Let F1 be support force at

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    RvTDLR
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    October 4, 2017 at 2:46 pm
    Need the resistance and whether they are connected in series

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    RvTDLR
    0
    October 4, 2017 at 2:43 pm
    The HUP is about limitations in measuring capability. The wa

  7. If you’re in a diving pool 3 meters deep, why do your ears hurt if you swim to the bottom?

    RvTDLR
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    October 4, 2017 at 2:42 pm
    When physicists say there is a so-and-so chance that a parti

  8. If you’re in a diving pool 3 meters deep, why do your ears hurt if you swim to the bottom?

    RvTDLR
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    October 4, 2017 at 2:41 pm
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    RvTDLR
    0
    October 4, 2017 at 2:38 pm
    To solve this problem, I will assume the temperature of the

  10. 3.8 kilograms of water are changed from ice at 0˚C into liquid water at 0˚C?

    RvTDLR
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    October 4, 2017 at 2:37 pm
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Question
Yoga is a spiritual and physical practice that originated in ancient India. It is believed to have been developed around 500 BCE. Yoga has many benefits, some of which are stress relief, weight management, and improved sleep. The word “yoga” comes ...
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General Physics 2 years 0 Answers 387 views

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Learning Goal: To make the connection between intuitive understanding of a seesaw and the standard formalism for torque. This problem deals with the concept of torque, the “twist” that an off-center force applies to a body that tends to make it rotate.
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General Physics 7 years 1 Answer 3924 views

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Learning Goal: To understand and use inverse-square relationships. Two quantities have an inverse-square relationship if y is inversely proportional to the square of x. We write the mathematical relationship as y = A/x2. Here, A is a constant. This relationship is sometimes written as 
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General Physics 7 years 1 Answer 3866 views

Question
A machine part is made up of two pieces, with centers of gravity shown in the figure.(Figure 1) Which point could be the center of gravity of the entire part?
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General Physics 6 years 0 Answers 3327 views

Question
A rocket generates a net force (F) of 2,050,000 newtons, and the rocket’s mass (m) is 40,000 kilograms. Use the formula F = ma to find the acceleration (a) achieved. A. 51.25 meters/second^2 B. 51.125 meters/second^2 C. 42.25 meters/second^2
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General Physics 7 years 1 Answer 3319 views