SPEED, VELOCITY AND ACCELERATION

Which of the given is NOT a scalar quantity?

• 20 mi/hr

• 200 m

• 2000 m/s East

• 2 m

Which is NOT a vector quantity?

• 100 m East

• 10 m/s

• 1000 m/s west

• 10 m/s²

Given the 100 m distance and a 50 s time, what is the speed of the motion?

• 20 m/s

• 2 m/s²

• 2 m/s

• 20 m/s NE

Which unit is used to represent speed?

• km/hr²

• mi/s

• m/s

• km

Which of the given describes how fast a motion is?

• speed

• velocity

• acceleration

• all of the choices are correct

A truck travelling at 20 mi/hr in 2 hrs. suddenly stopped. What is the acceleration of the truck?

• 100 m/s²

• -10 mi/hr²

• 10 mi/hr²

• 1 mi/hr²

Given the distance 150 m West at 30 s. What is the velocity?

• 2 m/s

• 0.2 m/s West

• 5 m/s

• 5 m/s West

Which among is the initial velocity?

A boy running from rest changed its velocity to 10 m/s in 30 s.

• 0 m/s

• 10 m/s

• 0.33 m/s²

• 30 s

What is the formula to compute for velocity?

• s=d/t

What is the formula for acceleration

• a=d/t