Question

EXERCISES
Use Cordova Smart Class Software on the
smart board in class to do these exercises.
1.
(b) random
(a) uniform
Tick() the correct options:
An aircraft flying at a constant speed in a straight path is an example of
The device that is used for measuring time intervals in sports events is called
Distance-time graph for uniform motion is a
0 (c) non-uniform
motion
(d) periodic
2.
(b) stopwatch 0 (c) stop clock O (d) quartz watch
(a) wristwatch
3.
line.
(a) curved
O (b) vertical
0 O (c) straight (d) horizontal
if a car is running at a constant speed of 60 km/h, it will cover a distance of
0 (b) 30 km
0 (c)45 km (d) 15 km
O
in a quarter hour.
(a) 60 km
5. Quartz crystal is used in a
(à) pendulum clock (b) water clock O (c) quartz watch (d) sundial
6. The time taken for 20 oscillations is 52 seconds. The time period of this pendulum is
(b) 2.6 s 0 (c)2.05 (d) 4.45
(a) 5.2 s​

Answer 1

Answer:

unfrom

Explanation:

60 km 2 answer hor

Answer 2

Answer:

A.

EXERCISES

Use Cordova Smart Class Software on the

smart board in class to do these exercises.

Tick (✓) the correct options:

1.

An aircraft flying at a constant speed in a straight path is an example of

(a) uniform

(b) random

(c) non-uniform

motion.

(d) periodic

2.

The device that is used for measuring time intervals in sports events is called

(a) wristwatch

(b) stopwatch (c) stop clock

(d) quartz watch

3.

Distance-time graph for uniform motion is a

(a) curved

(b) vertical

(c) straight

line.

(d) horizontal

4.

If a car is running at a constant speed of 60 km/h, it will cover a distance of

in a quarter hour.

(a) 60 km

5.

6. The time taken for 20 oscillations is 52 seconds. The time period of this pendulum is

(b) 30 km

O (c) 45 km

(d) 15 km

Quartz crystal is used in a

(a) pendulum clock

(b) water clock

(c) quartz watch

(d) sundial

(a) 5.2 s

(b) 2.6 s

(c) 2.0 s

(d) 4.4 s

Fill in the blanks: