Units of Speed

Q.

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

1. 64.8 km/h

2. 70 km/ hr

3. 76 km/h

4. 65.7 km/h

Q.

Question 9
The basic unit of speed is:
(i) km/min
(ii) m/min
(iii) km/h
(iv) m/s

Q.

Define speed. Write its SI unit.

Q. Which of the following is/are the unit(s) of speed?

1. kg
2. m/s
3. km/h
4. kg/s

Q.

Question 2 (v)
Which of the following are not correct?
(v) The speed of a train is expressed in $\frac{m}{h}$

Q.

A horse runs a distance of 1200 m in 3 min and 20 s. What is the speed of the horse?

Q. A a scooterist covered a distance of 3 deca metres in 5 minutes .Calculate its speed in
a)metres per second.
b)cm per second.
c)kilometres per hour.

Q.

Who discovered speed?

Q.

Distance covered by a body in unit time is called its speed.

1. True
2. False

Q.

Relate 36 $\frac{km}{h}$ with $\frac{m}{s}$.

1. 10 m/s

2. 10 km/hr

3. 20 m/s

4. 25 m/s

Q.

……… is the total distance travelled by an object in unit time.

Q. Match the following quantities with their measuring devices.

1. Speedometer
2. Odometer
3. Sand clock

Q.

How do you define speed ?

Q.

How do you convert $29.5meterspersecond$ to $Kilometersperhour$?

Q.

At 9:am the odometer reading was 6573210.0km.At 9:30 am the odometer reads 657320.0km. Calculate the speed of the vehicle in kilometers per hour.

If a simple pendulum oscillates for 40 minutes in 50 seconds , then what is its time period?

Q.

What is Speed?

Q.

The distance travelled by an object in unit time __________.

Q.

Define speed ? Mention the formula for calculating it .

Q. $36\text{kmph}=$ ____ ${\text{m s}}^{-1}$

1. $15$
2. $10$
3. $30$
4. $20$

Q.

The time is taken by Ebin to cover a distance of 50 km at a speed of 10 km/hr

1. 50 hrs

2. 50 min

3. 5 hrs

4. 5 min

Q.

1. Define speed and its unit?

Q. Which of the following is the S.I unit of speed?

1. km/min
2. m/sec
3. m/min
4. km/sec

Q. The value of 36km/h in m/sec is ?

Q. If the speed of a car is $20m{s}^{-1}$, what is the speed in $km{h}^{-1}$?

1. $36$
2. $72$
3. $108$
4. $90$

Q.

How do you convert $2.7$$\text{meters per second}$ to $\text{feet per minute}$?

Q. Which of the following is the S.I unit of speed?

1. km/min
2. m/sec
3. km/sec
4. m/min

Q. How can we convert km/h to m/s 🤔

Q. Identify the correct S.I units for the given quantities .

1. Speed: $mh{r}^{-1}$
   Time: $hr$
2. Speed: $kmh{r}^{-1}$
   Time: $hr$
3. Speed: $kmmi{n}^{-1}$
   Time: $min$
4. Speed: $mse{c}^{-1}$
   Time: $sec$

Q. Match the quantities with their correct units.

1. ${\text{m s}}^{-1}$
2. Distance
3. Average speed
4. $\text{s}$
5. Time
6. $\text{m}$

Q. 36 kmph =

1. $4{\text{m s}}^{-1}$
2. $10{\text{m s}}^{-1}$
3. $9{\text{m s}}^{-1}$