On June 23, which area will receive more direct sunlight? A. Southern Hemisphere B. Equator C. Northern Hemisphere D. North Pole

Two parallel metal plates are at a distance of 8.00 m apart. The electric field between the plates is uniform directed towards the right hand and has magnetic field of 4.00 N/C. If an ion of charge + 2e is released at rest at the left hand plate.

A simple atwood's machine uses a massless pulley and two masses m1 and m2. starting from rest, the speed of the two masses is 7.7 m/s at the end of 4.3 s.

A normal atom of oxygen has a mass of 16. The isotope oxygen-18 has 18 protons. true or false?

Why do engineers need to keep the mass of a space craft as low as possible?

Two locomotives approach each other on parallel tracks. Each has a speed of v=95 km/h with respect to the ground. If they are initially d = 5.0 km apart, how long will it be before they reach each other?

You swing a bat and hit a heavy box with a force of 1500 n. the force the box exerts on the bat is

Which type of acceleration would be best if you were merging onto the interstate?

What happens to the sound as frequency decreases? * a. it gets higher pitched b. it gets lower pitched c. it gets louder d. it gets quieter

An automobile battery is an example of a a. wet cell. b. dry cell. c. thermocouple. d. fuse.

An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2?