How long does it take my mum to walk 5 metres if she is travelling at a speed of 1 km/h

A 360-nm thick oil film floats on the surface of a pool of water. the indices of refraction of the oil and the water are 1.5 and 1.33, respectively.

Why do scientists believe that dark matter exists even though it cannot be seen?

Which is the of these their statements correctly describes a key difference between aerobic activity and anaerobic activity

How much energy is contained in matter what the mass of 1 gram (0.001 kilogram)

Circuit A in a house has a voltage of 218 V and is limited by a 45-A circuit breaker. Circuit B is at 120.0 V and has a 25-A circuit breaker. What is the ratio of the maximum power delivered by circuit A to that delivered by circuit B?

When water vapor condenses on the inside of a window, the window becomes

Try this out. Use a calculator! We can use the formula KE=0.5m*V^2. To find the kinetic energy (KE) of a payload of mass (m) 100 kg as it flies through the air at the velocity (v) of 55 m/s. (Multiply 0.5 x the mass x velocity squared.

Which group of measurements is the most precise? A) 2 g, 3 g, 4 g B) 2 g, 2.5 g, 3 g C) 2.0 g, 3.0 g, 4.0 g, 5.0 g D) 2.0 g, 3.0 g, 4.0 g

A 946.4 kg (2083 lb) car is moving at 14.8 m / s (33.0 mph). Calculate the magnitude of its momentum.

How do the positions of the hot and cold water affect the speed of convection