A ball traveling with an initial momentum of 5.1 kgm/s bounces off a wall and comes back in the opposite direction with a momentum of - 4.3kgm/s.

What is the change of momentum of the ball?

What impulse is required to produce this change?

Two common ions of manganese are Mn2 + and Mn3+. Which binary ionic compound is likely to form? A) Mn2N3 B) MnBr4 C) MnCl D) MnO

Six automobiles are initially traveling at the indicated velocities. The automobiles have different masses and velocities. The drivers step on the brakes and all automobiles are brought to rest.

Which will result in a greater increase in kinetic energy, doubling the velocity or doubling the mass. Doubling the velocity Doubling the mass Both will have the same increase .

Coach Hogue is riding his motorcycle in a circle on wet pavement. Suddenly the bike slides out from under him.

While examining a coolant leak from a weep hole on the side of a Detroit S60 engine, Technician A says the leak is caused by a leaking liner O-ring. Technician B says the coolant leak is due to cavitation of the cylinder block. Who is correct?

Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C.

A jar of tea is placed in sunlight until it reaches an equilibrium temperature of 31.8 ◦C. In an attempt to cool the liquid, which has a mass of 161 g, 131 g of ice at 0.0 ◦C is added. At the time at which the temperature of the tea is 28.

Pakistan and bangladesh are two countries on the subcontinent

Which theorist proposed that kohlberg's theory has a strong male bias

According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in moles/liters B. temperature in kelvin