At what frequency does the driver of the car hear the ambulance's siren? The velocity of sound in air is 343 m/s.

Which of the following describes when light bounces off a surface

What kind of force can be created with an electrical current?

What question was asked by Faraday that the narrator calls a leap

A drop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

Calculate the capacitance of a system that stores 7.0 x 10^-10 C of charge at 250.0 V. A. 2.8 x 10^-12 F B. 3.6 x 10^11 F C. 1.8 x 10^-7 F D. 5.7 x 10^6 F The answer is A i figured it out.

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time

Brittany stands at rest on a skateboard. the combined mass of brittany and the skateboard is 62 kg. dave tosses a 3.7-kg pumpkin to brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.16 m/s.

The maximum restoring force that can be applied to the disk without breaking it is 40000 n. what is the maximum oscillation amplitude that won't rupture the disk