An object travels 20 m in 4 a what is its speed

Which type of mine involves digging tunnels and shafts deep underground? Question 19 options: 1) strip mine 2) openpit mine 3) subsurface mine 4) smelting

How much kinetic energy is in a punch thrown at 30 m/s? The fist and arm weighs 6 lbs. (1 lb = 2.2 kg)

If a cart of 10 kg mass has a force of 5 newtons exerted on it, what is its acceleration? m/s2

Charges a and b in the figure are equal. each charge exerts a force on the other of magnitude f. suppose the charge of b is increased by a factor of 4, but everything else is unchanged.

Which of the following is a benefit of globalization?

Ina shoots a large marble (Marble A, mass: 0.08 kg) at a smaller marble (Marble B, mass: 0.05 kg) that is sitting still. Marble A was initially moving at a velocity of 0.5 m/s, but after the collision it has a velocity of - 0.1 m/s.

The elements that touch the zigzag line ar classified as

The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed? A. 25 g B. 100 g C. 75 g D. 50 g

During a transit, a passes in front of its parent star, temporarily decreasing the star's brightness by a small amount.

How much of each food dollar goes to the producer