Units of Speed

Q.

A cyclist covers $950$ m in $5$ minutes. Find his speed in km/ hour.

1. $11$ Km / Hour

2. $11.6$ Km / Hour

3. $11.2$ Km / Hour

4. $11.4$ Km / Hour

Q.

30 $\frac{m}{s}$ = ___ km/h

1. 100 $\frac{km}{h}$

2. 208 $\frac{km}{h}$

3. 108 $\frac{km}{h}$

4. 118 $\frac{km}{h}$

Q.

The speed of a car is 18m/s. Express this speed in km/h.

1. 70 km/hr

2. 64.8 km/hr

3. 76 km/hr

4. 65.7 km/hr

Q.

A person walks at the rate of 4 km per hour. How long will he take to go around a square Park 5 times, whose area is 2500 m square?

Q.

Convert 22 m/s into km/h.

1. 78 km/h

2. 76.5 km/h

3. 79 km/h

4. 79.2 km/h

Q.

A particle was at rest from 9 am to 9:30 am. It moved at a uniform speed of 10 km/hr from 9:30 to 10:00 am. Find the average speed between

1. 9:00 am to 10:00 am
2. 9:15 am to 10:00 am

Q. A student walks to school at the rate of 7.5 km/hr and reaches 10 minutes late. If he walks at the speed of 10 km/hr he is 10 minutes early. What is the distance to the school in km?

1. 10

Q.

State true or false:
A speed of 24 km/hr is greater than the speed of 12.8 m/sec.

1. False

2. True

Q.

1 km/hr = x m/s The value of x is:

1. 2/18

2. 3/18

3. 4/18

4. 5/18

Q.

36 $\frac{km}{hr}$ =___ $\frac{m}{s}$

1. 10 $\frac{m}{s}$

2. 5 $\frac{m}{s}$

3. 18 $\frac{m}{s}$

4. 1 $\frac{m}{s}$

Q. An ant moves at a speed of 1 cm per sec. The speed of the ant in kmph is $x\times {10}^{-}3$. Find $x$.

1. 36

Q. Convert 54km/h to m/s.

1. 15

Q.

A student walks to school at the rate of 7.5km/hr and reaches 10 minutes late.If he travels at the speed of 10km/hr he is 10 minutes early .What is the distance to the school?

1. 5km

2. 12km

3. 10km

4. Data insufficient

Q.

Express the following speed in $km/hr$:

$270min12sec$

Q.

Change the speed of $6{\mathrm{ms}}^{-1}$ into km/h.

Q.

If distance is measured in kilometre and time in hours, what will be the unit of speed?

Q.

The basic unit of speed is:

1. m/sec

2. km/sec

3. m/hour

4. msec

Q.

108 km/h =___ m/s

1. 90 $\frac{m}{s}$

2. 30 $\frac{m}{s}$

3. 10 $\frac{m}{s}$

4. 110 $\frac{m}{s}$

Q.

The speed of a car is given as 80 km/hr. Select the correct conversion factors.

1. Multiply by $\frac{5}{18}$ to convert it into m/sec

2. Multiply by $\frac{18}{5}$ to convert it into m/sec

3. Multiply by $\frac{50}{3}$ to convert it into m/min

4. Divide 60 to convert it into m/min

Q.

Traffic police have put a speed limit on heavy vehicles like trucks. A truck's speed must not exceed 36 km/hr. Rahul was driving his truck at 20 m/s. It can be concluded that Rahul was over speeding. State true or false.

1. True

2. False

Q.

54 $\frac{km}{h}$ = ___ $\frac{m}{s}$

1. 15 m/s

2. 1.5 m/s

3. 5.4 m/s

4. 5 m/s

Q. A car covers a certain distance at a uniform speed of $66\frac{2}{3}$ km per hour. How much distance will it cover in 9 hours?

Q. 30 m/s = ___ km/hr

1. 108

Q. Shyama bought $5$kg $300$g apples and $3$kg $250$g mangoes. Sarala bought $4$kg $800$g oranges and $4$kg $150$g bananas. Who bought more fruits?

Q.

180 km/h =___ m/s

1. 100 $\frac{m}{s}$

2. 50 $\frac{m}{s}$

3. 120 $\frac{m}{s}$

4. 70 $\frac{m}{s}$

Q.

Can complete this table.

Distance travelled	Time taken	Average speed
150 km	5 hours	....................
360 km	4 hours 30 minutes	....................
....................	12 hours	52 km/hour
....................	8 hours 30 minutes	54 km/hour
600 km	....................	30 km/hour
475 km	....................	50 km/hour
....................	2 hours 15 minutes	60 km/hour

Q.

State true or false:

300 km/h = 84 m/s

1. True

2. False

Q. Traffic police have put a speed limit on heavy vehicles like trucks. A truck's speed must not exceed 54 km/hr. Rahul was driving his truck at 20 m/s. It can be concluded that Rahul was over speeding. State true or false.

Q.

What is the distance covered by a vehicle travelling at 40 km/hr in hours?

Q.

90 $\frac{km}{h}$ = ___ $\frac{m}{s}$

1. 20m/s

2. 324 m/s

3. none of the above

4. 25m/s