A 210W heater is placed in 2kg of water and switched on for 200 seconds.

a. How much energy is needed to raise the temperature of 2kg of water by 10C?

b. How much energy does the heater supply?

The phenomenon that State magnetic field affect electric field A. Self-inductance B. Mutual inductance

A car is traveling at 30 meters per second. How far does the car travel in 2 minutes?

Consider a 1.72-m-tall man standing vertically in water and completely submerged in a pool. Determine the difference between the pressures acting at the head and at the toes of this man, in kPa.

Why do you think accurate measurement of time became possible much after accurate measurement of length and mass

What type of clouds are associated with low pressure?

Imagine riding On a merry-go-round at the center. As you walk to the outer edge, the merry-go-round slows in order to conserve angular momentum. True or false?

17. (a) Will the electric field strength between two parallel conducting plates exceed the breakdown strength for air (3.0*106 V/m) if the plates are separated by 2.00 mm and 5.

What property of sound enables us to distinguish one sound source from another?

The table below shows the right ascensions of two stars at a location. Star 1 - 4 right ascension (in Hour) Star 2 - 3 right ascension (in Hour) Which of these statements is correct about the stars?

H-2 + H-3 → He-4 + Consider the nuclear reaction that takes place in the sun. Two nuclides of hydrogen fuse to form helium. Is helium the only product of this reaction? If no, identify any additional products. A) Yes, He-4 is the only product. B) No.