What can cause you to observe that sone objects fall faster than others?

Heat should be applied to open the tight lid of bottle? which effect of heat is it? write with reason

Which of the following statements is/are true? Check all that apply. Check all that apply. The work done by a nonconservative force depends on the path taken.

A ball is thrown straight up from the ground with an initial velocity of 33.8 m/s; at the same instant, a ball is dropped from the roof of a building 26.3 m high.

Speedy Sue, driving at 33.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 160 m ahead traveling at 5.20 m/s. Sue applies her brakes but can accelerate only at - 1.50 m/s^2 because the road is wet.

If the average velocity of a duck is zero in a given time interval, what can you say about the displacement of the duck for that interval?

A quantity that has both size and direction is called what? (science)

What kind of energy does a skier have standing still at the top of a hill?

Magnet A doesn't have its poles labeled, but Magnet B has a clearly labeled north and south pole. If the two are brought into contact with one another, which of the following could you expect? A.

A student who is studying atomic reactions creates the following Venn diagram. How should the student label each circle in this diagram?

PART ONE: An amusement park ride consists of a rotating circular platform 8.78 m in diameter from which 10 kg seats are suspended at the end of 3.54 m massless chains. When the system rotates, the chains make an angle of 40.7◦ with the vertical.