A person sitting in a parked car hears an approaching ambulance siren at a frequency f1 and as it passes him and moves away he hears a frequency f2. The actual frequency f of the source is Group of answer choices

The driver accelerates a 330.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s to 23.0 m/s over a time interval of 60.0 s. a.

A 0.157 kg ball is thrown straight up from 2.33 m above the ground. Its initial vertical speed is 11.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.

An amplifier has an input power of 5 mW. The output power is 100 mW. What is the decibel gain to the nearest decibel?

Describe a situation where you would want a large amount of friction

A helium balloon rises because helium is dense than air

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?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.