Question
A vehicle joins a motorway and travels at a steady speed pf 25 m s-1 for 30 mins then it travels a further distance of 40 km in 20 min before leaving the motorway. Calculate its average speed on ...
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General Physics 7 years 1 Answer 1095 views

Question
When you turn a corner while walking, what force causes you to change directions and where does this force act on you? What does the expression “you turn a corn” mean exactly? I can’t understand this.
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General Physics 7 years 1 Answer 1149 views

Question
I realize it might sound pretty stupid, but I’m curious as to what would happen if you were to take a lot of heat energy and simply compress it. Would there be combustion at some point or…? ...
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General Physics 7 years 1 Answer 1141 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
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    October 4, 2017 at 2:34 pm
    To solve this problem, the radius must be in meters and mass

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 385 views

Question
PRemastered
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

Question
PRemastered
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 3863 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 3326 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 3312 views