Which of the following are contact forces?

a) Air resistance and friction

b) friction and velocity

c) gravity and inertia

d) inertia and Air resistance

What is the acceleration due to gravity of a feather? Is it smaller than that of an iron ball?

Calculate the wavelength of an electron moving at 3.66x10^6 m/s

A child makes a ramp to push his toy dump truck up to his sandbox if he uses 5 newtons of force to push the 12 newton truck up the ramp what is the mechanical advantage of his ramp

Suppose you wish to whirl a pail full of water in a vertical circle at a constant speed without spilling any of its contents (even at the top of the circle!). If your arm is 0.

Select the correct answer. Which situation will have the highest resistance? A. long wire and high temperature OB. short wire and high temperature C. long wire and cold temperature D. short wire and low temperature

What would happen if cranial nerve IV was damaged.

Acceleration of an object depends on its mass and applied force

Is it possible to do work on an object without changing the kinetic energy of the object? Now Why? a) Yes, it is possible by raising the object to a greater height without acceleration.

What does the sun consume to produce energy and helium?

What is the weight of an object on earth that has a mass of 45 kg