Describe a person swinging a bat?

A. Wedge

B. Third class lever

C. Pulley

D. Screw

A car with a mass of 950 kg moves at 24 m/s. What braking force is needed to bring the car to a halt in 10 s?

what is the numerical value in meters per second squared of the acceleration of an object experiencing true free fall

The equivalent resistance of a complex circuit is usually determined by

What are the five plants you can see from earth without a telescope?

An area that is fairly far away from plate boundaries fault lines and other tectonic activity would experience A. Many earthquakes And few volcanoes B. Extremely few earthquakes and no volcano activity C. Severe earthquakes D. Major volcano activity

What is a Geographic test

What is the velocity of a beam of electrons that go undeflected when passing through crossed (perpendicular) electric and magnetic fields of magnitude 1.63*104V/m and 2.50*10-3T, respectively? me=9.11*10-31kg, e=1.60*10-19C.

Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for fusion of hydrogen to begin.

Which has greater kinetic energy: a bullet that has a mass of 0.05 kg travelling at 2500 m/s, or a lorry that has a mass of 4500 kg and is moving at 50 m/s?

Bio mass, sun, wind, water