What is the formula for wheel and axel

A physics book slides off a horizontal table top with a speed of 1.10m/s. It strikes the floor after a time of 0.400s. Find the height of the table top above the floor.

Which change would cause the largest increase in a mountain climber's gravitational potential energy? A. carrying twice the weight and climbing half as high B. carrying half the weight and climbing half as high C.

A (n) a0 is software that contains rows and columns used to make calculations, organize information, and make comparisons.

Which of the following is the cause of the change of seasons? A) the distance of a place from the Equator B) prevailing winds blowing across land or water C) the tilt of the Earth's axis D) the rotation of the Earth

Which type of society existed for the longest time in human history? a) hunter-gatherer societies b) horticultural societies c) pastoral societies d) agricultural societies

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.44 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.

A moving small car has a head-on collision with a large stationary truck 7.3 times the mass of the car. Which statement is true about the direction of the car after the collision if the collision is elastic?

In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.0 cm. A second projectile causes the the pendulum to swing higher, to h2 = 5.5 cm.

Uncharged Particle A. Neutrons B. Protons C. Electrons D. Molecule

What fuel (s) are the main energy source during short, intense bursts of exercise? Metabolism of protein only Metabolism of fat only Metabolism of carbohydrate only Carbohydrates and vitamins Caffeine Medium-chain triglycerides Erythropoietin