KUIZ FIZIK PUSINGAN 3

If the length of one leg of a right triangle is 4.5 m and the length of the hypotenuse is 10.2 m , what is the length of the other leg?

• 2.39 m

• 9.15 m

• 5.7 m

• 14.7 m

The speed limit on the highway is 110 kmh^-1. What is the speed limit in SI unit?

• 1.83 m s^-1

• 1833.33 m s^-1

• 30.56 m s^-1

• 30.56 km s^-1

The magnitude of a force whose two components are perpendicular to each other is 40 N.  The vertical component has magnitude of 20N. Determine the magnitude of the horizontal component.

• 20 N

• 35 N

• 60 N

• 27 N

Describe this graph

• zero acceleration

• deceleration to right

• deceleration to left

• acceleration to right

A stationary airplane accelerates 5 m s^-2 and travels for 40 s before it takes off. Calculate the minimum length of the runway

• 400 m

• 200 m

• 1000 m

• 4000 m

A bowling ball traveling with 35 kg m s^-1 of momentum is brought to rest in 0.5 seconds. What is the magnitude of the net force exerted on the bowling ball?

• 17.5 N

• 35 N

• 70 N

• Cannot be determined without mass

A 2,000-kg car is driving at 10 m/s. Which of the following actions requires the most impulse?

• speeding up to 30 m/s

• slowing down to 2 m/s

• stopping the car in 1 s

• stopping the car in 0.001 s

Which object listed below has the greatest momentum?

• A 0.05 kg object rolling at 0.2 m/s.

• A 0.15 kg object rolling at 2 m/s.

• A 0.15 kg object rolling at 1 m/s

• A 0.4 kg object rolling at 2 m/s

What is the NET FORCE of this diagram?

• 17 N, right

• 17 N, left

• 23 N, right

• 12 N, up

Calculate the Acceleration. 

• 8 m s^-1

• 1 m s^-2

• 10 m s^-2

• 8 m s^-2