Which machine would be an alternative to lifting a crate with a pulley?

a. doorstop

b. ramp

c. ax

d. screw

A 1.5 wire carries a 8 A current potential difference of 89 V is applied. What is the resistance of the wire

The two subspecies ties of astronomy are

Two waves with equal amplitude meet each other, resulting in a wave zero amplitude. Which phenomenon explains this result? A.) diffraction B.) Reflection C.) Refraction D.) Interference

A 55 g mouse runs out to the end of the 17 cm-long minute hand of a grandfather clock when the clock reads 10 minutes past the hour. What torque does the mouse's weight exert about the rotation axis of the clock hand?

Light that bounces off a surface is said to be reflected refracted absorbed elastic

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)

For resonance to occur, the object must experience a frequency equal to its what? amplitude period wavelength natural frequency

Rasheed runs a football 10 meters east, turns and runs the football 6 meters west. If his velocity during this run is found to be 3 meters/second, how long does this take Rasheed to complete this run?

What is the approximate weight of a 20-kg cannonball on the moon if the acceleration due to gravity is 1.6m/s^2

A man consumes 2245 kcal of food in one day, converting most of it to maintain body temperature. If he loses half this energy by evaporating water (through breathing and sweating), how many kilograms of water evaporate?