The car travels 52m in 21 seconds before it comes to a complete stop after the driver applies the brakes. What was the car's initial speed?

Sound is a disturbance that travels through a medium as a

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?