The velocity of a car changes from 20 m/s east to 5 m/s east in 5 seconds. What is the acceleration of the car?

The power of a machine is 6000 W. This machine is scheduled for design improvements. Engineers have reduced the time for the output by one half from 15 s to 7.5 s. What work would be required to cut the time in half. Step #1 Step #2 Step #3

What would happen to ocean tides on earth if earth stopped rotating and why?

What is the ability of an organism to change internally or externally in relation to its environment

A child in a swing oscillates with a certain frequency of oscillation (the child is sitting still). Another child sits next to the first child.

An electron is pushed into an electric field where it acquires a 1-v electrical potential. suppose instead that two electrons are pushed the same distance into the same electric field. what is the electrical potential of one of the electrons now?

The lighted part of the moon appears to change shape when viewed from the Earth because Question 1 options: Of the shadow cast from the Earth on to the surface of the moon the sun goes out at different times of the month Justin Bieber was having a

Which of the following is least likely to result from seafloor spreading

Through how many volts of potential difference must an electron, initially at rest, be accelerated to achieve a wave length of 0.27nm? A) 4.6 V B) 0.046 V C) 0.27 V D) 4.6 MV E) 4.6 kV

A roller coaster track is a good example of the law of conservation of energy. Use this law to explain these facts about a roller coaster track. a. The largest hill for a roller coaster track is the first hill on the track.

Which statement about the spectrum of light that emerges from a prism is true? A. High-frequency colors bend more than low-frequency colors. B. High-frequency colors bend less than low-frequency colors. C.