What's the equation for the alpha decay of plutonium-244.

What's the equation for the beta-negative decay of oxygen-17?

At the instant that you fire a bullet horizontally from a rifle, you drop a bullet from the height of the gun barrel. If there is no air resistance, which bullet hits the level ground first? Explain.

how will the total distance traveled by a car in 2 hours be affected if ghe average speed is doubled

if there was no air resistance, how would the rate of fall of a coffee filter compare to the rate of fall of a basketball?

What causes a sonic boom?

What are the three ways that an object can accelerate

What is the density of cylindrical (coin) object if it has a mass of 0.69 kg, and a radius of 0.03 m, along with a thickness of 0.003 m?

A horse canters away from its trainer in a straight line, moving 37 m away in 9.1 s. It then turns abruptly and gallops halfway back in 1.8 s. Calculate its average speed for the entire trip. Express your answer using two significant figures.

A 13,000 N car starts at rest and rolls down a hill froma height of 10 m. It then moves across a level surfaceand collides with a light spring-loaded guardrail.

Convert 52.3 weeks into days 367.5 days 366.1 days 450 days

From the earth, the moon subtends an angle of approximately 0.5°. If the distance to the moon is approximately 240,000 miles, find an approximation for the diameter of the moon accurate to the nearest hundred miles.