What is the speed of the ball relative to the net

A wave has the wavelength equal to 396 nm. what must be the frequency of this wave

A volume of 229 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25°C. Calculate the atomic mass of the metal.

A uniform wire is cut into 4 segments. Each segment is twice as long as the earlier segment. If the shortest segment has a resistance of 4 ohm, find the resistance of original wire.

How does a heat pump prove the law of conservation of energy?

Santa weighs 1781.8 N if the average chimney is 32 feet high how long (neglecting friction) does it take santa to get down the chimney? at what speed in m/s, km/hr, and mph, does santa hit the bottom?

How does a blocked ear canal cause hearing loss?

What is the velocity of a 50kg skater if her momentum is 225kg. m/s?

A pendulum consists of a 1.7-kg block hanging on a 1.6-m length string. A 0.01-kg bullet moving with a horizontal velocity of 828 m/s strikes, passes through, and emerges from the block (initially at rest) with a horizontal velocity of 340 m/s.

How many total atoms are in 2NaCl? 3 5 2 4

Knowing that the moon has less mass than earth, what do you think happens to objects on the moon? A. They fall at the same rate as they do on the earth. B. They fall faster on the moon. C. They fall slower on the moon. D. They don't fall on the moon.