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The question goes like this: A ball is thrown straight up. At 12m, the ball reaches a velocity of 15m/s. What is the time it takes for the ball to go from the top of its path, ...
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General Physics 7 years 1 Answer 1044 views

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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 ...
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General Physics 7 years 1 Answer 4059 views

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A) A small car of mass m and a large car of mass 4m drive along a highway. They approach a curve of radius R. To not slip, both cars need to maintain a net force of F as they travel around the curve. ...
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General Physics 7 years 1 Answer 1435 views

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A rock of mass 2 kg is lifted straight up by a 40 N vertical, applied force. What is the magnitude of the rock’s acceleration? All answers are in ms-2. For this question, use g = 10 ms-2.
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General Physics 7 years 1 Answer 1185 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
    0
    October 4, 2017 at 2:53 pm
    In a gas, where there can be a terminal velocity, the drag i

  4. Would it be possible for somebody to explain how I can solve this problem?

    RvTDLR
    0
    October 4, 2017 at 2:51 pm
    Total weight = 300 + 500 = 800 N Let F1 be support force at

  5. Three resistors are connected. The potential difference between points A and B is 26 V.?

    RvTDLR
    0
    October 4, 2017 at 2:46 pm
    Need the resistance and whether they are connected in series

  6. Heisenberg Uncertainty Principle?

    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
    0
    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
    0
    October 4, 2017 at 2:41 pm
    The rate of change of pressure is the issue. When you climb

  9. How many calories are necessary to change 250 g of ice to water at 20 degree Celsius?

    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
    0
    October 4, 2017 at 2:37 pm
    ( 1 ) The mass of water does not change for either change. (

  11. AS Physics Question – Can Someone Please Help ?

    RvTDLR
    0
    October 4, 2017 at 2:34 pm
    To solve this problem, the radius must be in meters and mass

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PRemastered
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 7 years 1 Answer 4059 views

Question
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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 3992 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 3900 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 3441 views