Two books with different masses fall off the same bookshelf. As they fall, which has more kinetic energy and why

He conducted experiments in combining elements

List the metric base units for the following: c. Length: d. Distance: e. Mass: f. Temperature:

Two people push on a boulder to try to move it. The mass of the boulder is 825 kg. One person pushes north with a force of 64 N. The other pushes west with a force of 38 N. Predict the magnitude of the acceleration of the boulder.

Which type of mirror is placed behind the bulb in car headlights? plane mirror convex mirror concave mirror

An air-filled pipe is found to have successive harmonics at 1120 hz, 1440 hz, and 1760 hz. it is unknown whether harmonics below 1120 hz and above 1760 hz exist in the pipe. what is the length of the pipe?

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?