H (t) = - 16t2 128t 144. After how many seconds does the object hit the ground?

Will neutering a cat keep him from running away

When waves interact with an object, they will interfere with the object, and when waves interact with waves, they reflect off each other.

1. Susie wondered if the height of a hole punched in the side of a quart-size milk carton would affect how far from the container a liquid would spurt when the carton was full of the liquid.

A set of pulleys is used to raise a 200 N crate 5 m. to fo this the operator applies a force of 50 N and pulls in 25 m of rope. Find the efficiency of the pulley system. A: 50% B: 62.5% C: 75% D: 80%

What is sperm or as some people call it skeet

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

A wave has a wave length of 2 m and a frequency of 500 Hz, what is its speed?

Can anything block a magnet's force feild?

How much kinetic energy does a moving 6 kg object have If It moves with a velocity of 3 m/s?

List the different types of electromagnetic readiation (waves) in order from shortest wavelength to longest wavelength