A pay meter in a holiday home supplies electricity at a cost of 12p per kWh and 10kWh would cost £1.20 how long could a 2kW heater be used for after £1.20 is put into the meter slot?

Which of the following are most likely to form a metallic bond

Which is a symptom of the common cold

A snowboarder travels 150 m down a mountain slope that is 65 degrees above horizontal. What is his vertical displacement?

Which of the following is an idea that robert hutchings goddard introduced in his "further developments" to his research "a method of reaching extreme altitudes"? a. lunar energy b. nuclear energy c. solar energy d. wave energy

What are generated at transform fault plate boundaries?

Suppose you place a ball in the middle of a wagon, and then accelerate the wagon forward. Describe the motion of the ball relative to the ground. - Describe its motion relative to the wagon.

Water is poured into a container that has a leak. The mass 'm' of the water is given as a function of time 't' by, m=5t^0.8 - 3t + 20, with t>=0, mass in grams and t in seconds a. at what time is the water mass greatest, and b.

Determine the mechanical energy of this object: a 1-kg ball sits on a 10-meter high cliff. A. The ball isn't moving, so the mechanical energy is zero B. 10 J C. 98 J D.

A proton that has a mass m and is moving at + 164 m/s undergoes a head-on elastic collision with a stationary carbon nucleus of mass 12m. the velocity of the proton after the collision is answer

what is the mass number in atomic mass units of an atom with 14 protons, 14 electrons, and 16 neutrons