Honey bees beat their wings, making a buzzing sound at a frequency of 2.3 * 10Æ hertz. What is the period of a bee's wing beat?

a. 4.3x10^-3

b. 2.6 x10^-3

c. 4.0 x10^3

d. 2.6x10^3 seconds

A truck at rest at a stoplight accelerates uniformly with acceleration a = 3.8 meters/second2 for 8.5 seconds after the light turns green. What is the speed of the truck in meters/second after that time interval?

The current in a wire is 0.72 A. What is the charge that passes through the wire in 4 seconds

On a dinner plate, a baked potato always stays hot longer than any other food. Why?

How did advances in technology open the way for world exploration?

How do you distinguish between speed, velocity, and acceleration?

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?

If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)

What is the acceleration rate of an object if the amount of force applied on the object is 75 Newtons and the object has a mass of 15 kilogram?

Two children pulling the rope with the same force in opposite direction is that an unbalanced force or a balanced force