A boy throws a ball vertically up and catches it after 3 s. What height did the ball reach?

A sound wave in the air has a frequency of 680 cycles per second. What is the approximate wavelength of the sound wave

Why the following statement could be considered a scientific theory: the rotation of earth causes the sun to set

You ride your bike for a distance of 30km. you travel ata a speed of 0.75km/minute. how many minutes does it take

What question was asked by Faraday that the narrator calls a leap

In order for work to be done, a force must cause movement true or false

The malfunction indicator light in an OBD II system is flashing. Technician A says that this simply indicates a soft failure. Technician B says this means the problem could be damaging the catalytic converter. Who is right? A. Technician A only B.

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?