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20 questions
2.5 m
3.0 m
20 m
28 m
which feature of a graph allows acceleration to be determined
the area under a displacement-time graph
the area under a velocity-time graph
the slope of a displacement-time graph
the slope of a velocity time graph
A particle is moving in a straight line with uniform acceleration.
which graph represents the motion of the particle?
A
B
C
D
deducing the acceleration = deduce the gradient of velocity-time graphs
True
False
The acceleration or the 'g' will be ...... since the direction of motion is same as the direction acceleration of gravity.
If I drop an apple from the top of building, and it takes 5s to hit the ground calculate how tall the building is in meters if the acceleration of gravity is 9.81 m.s-2? (write in 2 dp)
122.63 m
122.64 m
122.62 m
122.65 m
Andi drops a rock from rest from a guard rail overlooking a valley. What is the velocity of the rock at 11s? the acceleration of gravity is 9.81 m.s^-2
107.81
1107.91
107.91
107.23
One of the question of motion may be written as
v = u + a.t
Name the quantity represented by the symbol u
Use data from fig 3.1 to determine the distance travelled by the ball during the first 0.40
Suppose a tourist threw the rock with an initial velocity of 8.0 m/s (down). Determine the velocity at 4s. The acceleration of gravity is 9.81 m/s
31.14
32.14
32.24
31.24
Chika doing serve at 50 m/s while playing tennis ball, what its maximum height from the initial position? the acceleration of gravity is 9.81 m/s^2?
127.42 m
127.24 m
172.42 m
172.24 m
A car is travelling with uniform acceleration along a straight road. The road has marker posts every 100m. when the car passes one post, it has a speed of 10 m/s and, when it passes the next one, its speed is 20 m/s.
What is the car’s acceleration?
1 m.s-2
0.5 m.s-2
1.5 m.s-2
2 m.s-2
velocity has two components
(pick 2 below)
direction
speed up
change in speed
speed down
What is the final velocity of a rocket travels for 4 seconds, has an initial velocity of 12km/s and an acceleration of 2 km/s2?
40 km/s
30 km/s
20 km/s
10 km/s
A golf ball accelerates off a tee at 15 m/s2, changing its velocity from 0 m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
330 s
3.3 s
33 s
0.033 s
What is the characteristics of upward motion?
there is initial velocity
When an object reaches the highest point, its final velocity “v” will be zero
the acceleration of gravity will be negative
initial velocity 'u' = 0
A
B
C
D
what is the unit of acceleration
m/s2
m/s1
m
s
One of the
equations of motion may be written as
v2= u2 + 2as
Name the quantity represented by the simbol 's'
In vertical motion, the acceleration will be the acceleration of gravity.
False
True
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