Acar advertisement states that a certain car can accelerate from rest to 70km/h in 7 seconds. find the cars acceleration

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

J. j. thomson’s experiment disproved the theory that an atom