motion in one dimension

Slope of displacement -time graph gives

• velocity

• speed

• acceleration

• displacement

In the v-t graph, a graph parallel to time axis, the the acceleration is

• negative

• positive

• zero

• both positive and negative

Tags

NGSS.HS-PS2-1

Scalars are the one which has (a)  

Calculate the distance traveled by the body between 10 to 20 seconds

• 
• 100 m

• 150 m

• 200 m

• 250 m

Distance traveled by the body in the last 20 s is

• 
• 150 m

• 200

• 250

• 300 m

Tags

NGSS.HS-PS2-1

Distance travelled by the body in 5 minutes if it travels with a speed of 20 ms^-1.

• 6 m

• 6000 m

• 6 km

• 45 km

A car moving on a straight line path covers a distance of 2 km due east in 100 s, the speed & velocity of the car is

• 20 ms^-1 and 20 ms^-1

• 20 ms^-1 and 40 ms^-1

• 20 ms^-1 and 20 ms^-1 due south

• 20 ms^-1 and 20 ms^-1 due east

A cycle initially moving with a velocity of 5 ms^-1 accelerates for 5 s at a rate of 2 ms^-2 , final velocity will be

• 10 ms^-1

• 100 ms^-1

• 35 ms^-1

• 15 ms^-1

Tags

NGSS.HS-PS2-1

Identify the Vector quantities

• speed, weight, area

• weight, force , momentum

• force , current, density

• displacement, retardation, non uniform velocity

The speed of the car is 72 kmph. What is the speed in m/s?

• 16 ms^-1

• 18 ms^-1

• 100 ms^-1

• 20 ms^-1