When a sound wave encounters a barrier, what happens?

If the length of an object decreases while its width and height remain unchanged, will its volume increase or decrease? Explain

What is the momentum in kg m/s of a 10kg truck traveling at 5m/s

A car with a mass of 600 kg is traveling at a velocity of 10 m/s. How much kinetic energy does it have? The car has J of kinetic energy

Which component, located in the center of the axle housing, transmits torque to the drive wheels while also allowing the wheels to rotate at different speeds when cornering?

is it true that parallel worlds exists? if yes or no, give proper reasons and proof. brainliest to the best

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth's center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.

An LC circuit has a 6.00 mH inductor. The current has its maximum value of 0.570 A at t = 0s. A short time later the capacitor reaches its maximum potential difference of 66.0 V. What is the value of the capacitance?

The first law of thermodynamics states that ΔE = Q - W. Is this also a statement of the principle of conservation of energy? Yes, the heat added and the change in internal energy of the gas equal the work done by the piston.

How can we calculate the density of a sustance that has irregular volume