What is the density of the material from which a 5cm cube is made if its mass is 0.975kg / m3? pls i give krown

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

The speed of light can be used to measure the

Smallest intensity of a stimulus that you can detect 50 percent of the time is