An astronaut weighs 199 lb. what is his weight in newtons?

Chemical properties of an acid include ... Corrosive, increases the concentration of hydrogen ions when added to water, forms hydrogen gas when it comes in contact with a metal, and forms salt and water when added to a base.

What is the kinetic energy of a 0.135 kg baseball thrown at 40 m/s

A (n) is produced around a wire when an electrical current is in the wire.

Which characteristic is used to measure the amount of light radiated by a star? size color luminosity temperature

A 0.140-kg baseball is dropped from rest. it has a speed of 1.20 m/s just before it hits the ground, and it rebounds with an upward speed of 1.00 m/s. the ball is in contact with the ground for 0.0140 s.

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.

How does the tilt of Earth's axis affect how the sun's rays strike Earth?

A stone is tied to s string and whirled around in a circle at constant speed. Is the string more likely to break when the circle is horizontal or when it is vertical? Account for your answer, assuming the constant speed is the same.

Two blocks, stacked one on top of the other, slide on a frictionless horizontal surface. The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.50. The top block has a mass of 2.