If the velocity of a bicycle rider decreases from 37.0 mi/h to 7.0 mi/h in 5.0 min, his average acceleration is

a) -6.0 mi/h/min
b) -8.3 mi/h/min
c) 1.7 mi/h/min
d) -6.7 mi/h/min


a

Physics & Space Science

You might also like to view...

What is the dominant feature of the lunar surface?

a. mountains b. rilles c. craters d. lobate scarps e. lava tubes

Physics & Space Science

The density of air at room temperature is about 1.2 g/cm3. Estimate the mass of air inside a 0.80-m3 volume refrigerator. (There are 1 million cm3 in 1 m3.)

A) 0.96 g B) 960 kg C) 1000 kg D) more than 1000 kg

Physics & Space Science

Two air track carts move along an air track towards each other. Cart A has a mass of 450 g and moves toward the right with a speed of 0.850 m/s and air track cart B has a mass of 300 g and moves toward the left with a speed of 1.12 m/s

What is the total momentum of the system? A) 0.047 kg?m/s toward the right B) 0.719 kg?m/s toward the right C) 0.719 kg?m/s toward the left D) 0.750 kg?m/s toward the right E) 0.750 kg?m/s toward the left

Physics & Space Science

Conservation of charge means that

a. The total amount of charge in the universe is constant. b. No experimenter has ever seen a single charge destroyed by itself. c. Electrons by themselves can be neither created nor destroyed. d. Charge can be neither created nor destroyed. e. All of the above.

Physics & Space Science