A tow truck exerts a force of 8000 N to move a car a distance of 4 m in 20 seconds. Calculate the power of the tow truck ...

1. 0.01 W

2. 100 W

3. 1600 W

Which two factors cause one part of Earth to have summer while another part is having winter?

A driver travels 300 km in 5 h and 25 min. What is his average speed in (a) km/h, and (b) m/s?

A copper wire of cross sectional area 2.0mm2 carries a current of 10A. How many electrons pass through a given cross section of wire in one second? A 1.0*10^1. B 5.0*10^6. C 6.3*10^19. D 3.1*10^25

If a person walks 1km north, 5 km West, 3km south and 7km east, find the resultant displacement vector

Which type of fault involves compression? A. normal B. reverse C. transform D. normal and reverse

Wave can be described as A. a continuous transmission of energy from one location to the next B. The disturbance of particles in an area C. The transmission of energy through individual particles D. The motion of particles in a medium

A germ is also called a microorganism or a microbe. True False

What is 1.33Ω plus 2Ω?

As a fire truck approached Mary, the pitch of the siren got higher. once the fire truck passed and moved away, the sirens pitch got lower. this change in pitch is because in the sound waves

Find the magnitude of the sum of these two vectors