During an equinox, the number of daylight hours and nighttime hours are nearly equal all over the world.

true or false?

A truck is travelling at 30km/hr with engine delivering a driving force of 800n to the road Calculate the power developed and the work done in 25 seconds

A person exerts a force of 50 N on the end of a door 71 cm wide. (a) What is the magnitude of the torque if the force is exerted perpendicular to the door?

A 4.25 g bullet traveling horizontally with a velocity of magnitude 375 m/s is fired into a wooden block with mass 1.10 kg, initially at rest on a level frictionless surface.

After brainstorming, engineers may refine their ideas by making what?

Carl is eating lunch at his favorite cafe when his friend Isaac calls and says he wants to meet him. Isaac is calling from a city 135 miles away, and wants to meet Carl somewhere between the two locations.

Which nuclei is not radioactive? A. Am-241 B. Mg-24 C. Pu-241 D. U-238

What is the method of charging used when you run a straw with fur

A man runs at a velocity of 6.2 m/s for 11.5 minutes. When going up and increasingly steep hill, he slows down at a constant rate of 0.25 m/s^2 and comes to a stop. How far did he run?

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle