In which applications are sound waves reflected? Check all that apply.

cleaning lenses

detecting diseases

destroying cancer cells

locating damaged parts

breaking down kidney stones

monitoring fetal development

The proper length of the first lane of a competitive running track is 400 m (1,312.3 ft). A runner runs track from the starting line four times, stopping at the starting line.

If you owned a seaside home and a bad storm brought heavy winds and high surf to your coastline, would you prefer it be during a new moon or a quarter moon?

A car of mass 1800 kg collides with a truck of mass 5200 kg, and just after the collision the car and truck slide along, stuck together, with no rotation.

A certain spherical asteroid has a mass of 7.2 * 1016 kg and a radius of 8.8 km. what is the minimum speed needed to escape from the surface of this asteroid?

A runner completes a 10 km run in about 45 minutes. What was the runner's speed in km/h?

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?

What happens when the spaceship in the animation has zero horizontal velocity?

ne mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 8.41 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore significant figures for this problem.

Is physical science part of physics?

Which statement is true about the atomic mass?