What is the kinetic energy of a cat running 5 m/s

The Sun and most stars are made almost entirely of a. hydrogen and carbon. b. helium and nitrogen. c. oxygen and nitrogen. d. helium and hydrogen.

How can you use energy conversation to predict the speed of the marble from the height?

A wheel initially has an angular velocity of 18 ras/s but it is slowing ar a rate of 2.0rad/s^2. If it stops in 3 sec it will have turned through how many radian?

Which of the following substances is formed deep under Earth? Chlorophyll Glucose Oil Oxygen

A 1.0-kg ball of putty is released from rest and falls vertically 1.5 m until it strikes a hard floor, where it comes to rest in a 0.045-s time interval.

An elements atomic number is 79. How many protrons would an atom of this element have?

Two sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00m-1, an angular frequency of ω=2.50s-1, and a period of 6.00 s, but one has a phase shift of an angle ϕ=π12rad.

A rock is dropped downward from the top of a cliff. If the rock hits the ground after 2.0 s, what's the height of the cliff?

A body moving with an initial velocity of 30m/s accelerates uniformly at the rate of 10m/s. what is the distance covered during the period

Formation of a precipitate is usually evidence of? the separation of a mixture, a chemical change, formation of a mixture, physical change