How much does a 40 kg student weigh on earth in newtons

What is the displacement of an object that moves from the origin to a position at - 12 m?

An object is dropped from rest. What is its instantaneous speed when it has been in motion for 5 s? The acceleration of gravity is 9.8 m/s?.

The sound of a loud warning siren travels through air and reaches the surface of a lake. The sound is then transmitted through the water at a speed about four times faster than through air.

Which common house hold items will turn litmus paper blue

How does the law of conservation of mass apply to this reaction: Mg + HCl → H2 + MgCl2? The equation needs to be balanced. There are fewer hydrogen atoms in the equation than magnesium or chlorine. Only the hydrogen needs to be balanced.

Which is a derived unit? A Meter B Second C Kilogram D Newton

What is the period of vibration for a wave with a frequency of 150 hertz?

What direction do s waves move in

A car has an initial velocity of 11.2 m / sec. the car accelerates at 10.0 m / s2 for 8.0 seconds. what is the velocity of the car at the end of the 8.0 seconds?

You're going to open the door further by giving it a brief, hard push. first, you'll push the door at its center. then, you'll push it near the door knob. both pushes are equally hard, and last the same length of time.