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問題一覧
1
A body starts from rest and acceleration 2 m per second square till it attains the maximum velocity then returnas to rest with 3 m per second square is total time is 10 seconds then maximum speed
12 m per second
2
Stopping distance formula
t
3
2v/a
4
105 m
5
125 m
6
112m
7
6 second
8
2
9
20 m per second
10
Object starts its motion with rest and constant acceleration then find the ratio of displacement in tsec and 2t sec
1:4
11
Answer in fraction
5/3m
12
412.5m
13
5 second
14
320m
15
The initial velocity of a particle is 20 m per second and retardation 2m/s² then find distance and displacement in 10th sec
1m and 1m
16
3
17
Ball is projected upward with velocity 50 m/s then find displacement in 6 second
120m
18
6 second
19
t
20
The initial velocity of a particle is 20m/s and retardation 2m/s² then find distance in 10 sec
100m
21
125m
22
1:4:9
23
Object starts its Motion with rest and constant acceleration then find ratio of displacement in 6thsec to 6sec
11/36
24
80 m
25
1
26
1
27
Ball is projected upward with velocity 50 m/s then find time of flight
10 second
28
125m
29
t
30
The initial velocity of a particle is 21m/s and retardation is 2 m per second square then distance in 11th second
0.5m
31
1:4
32
If object starts his motion from rest and constant acceleration then its displacement and distance will be same
true
33
Write all equation of motion all six
t
34
The initial velocity of a particle is 21m/s and retardation is 2 m per second square then displacement in 11th second
0
35
t
36
Motion under gravity Draw graph for v=gt S=1/2gt² Acceleration versus time
t
37
29m
38
845 m
39
300m
40
Object starts its motion with velocity 10m/s after 8sec it's velocity becomes 24m/s then find total displacement in this interval
136m
41
Acceleration does not represent motion
t
42
3.75m
43
1m
44
Ball is projected upward with velocity 50 m/s then find average speed in 8 second
170/8 meter per second
45
2
46
1
47
0.5m
48
8H/9
49
7 second
50
20 m
51
go on increasing with time
52
Obviously start is Motion from u and constant acceleration then find velocity at mid point if velocity at end point is v
t
53
120m
54
1m/s
55
20 m
56
Object starts is Motion from rest and constant acceleration takes time T for S displacement then time taken for first half and second half displacement is
t
57
t
58
3
59
Ball is projected upward with velocity 50 m/s then find maximum height
125 m
60
y=4x
61
20 m/s and 200/8 m/s
62
25√2km/h
63
0m
64
S1=S2/3
65
29m
66
Ball is projected upward with velocity 50 m/s then find average velocity in 8 second
10 m per second
67
16
68
80m
69
A body falls from rest in the gravity of earth and distance travelled in 5th second is
45m
70
velocity and acceleration are in opposite direction then U turn is possible only when v=0
true
71
Object starts its motion with rest and constant acceleration then find the ratio of displacement travelled by the body during the 4th sec and 3rd sec
7/5
72
845m
73
Object starts its motion with rest and constant acceleration then find the ratio of distance in 1sec :2sec:3sec
1:4:9
74
300m
75
1:3:5
76
t
77
1m
78
If velocity and acceleration are in same direction then U turn is possible
False
79
Ball is projected upward with velocity 50 m/s then find height at 7 second
105 m
80
10sec
81
18m/s
82
t
83
Objects start motion with constant acceleration a and velocity u then find its velocity at 1/3 displacement of complete journey final velocity is v
t
84
Object starts his motion from rest and constant acceleration then find ratio of displacement in nth sec to n sec
2/n -1/n²
85
Object starts is Motion from rest and constant acceleration and travels with acceleration a for some time t1 then it retards with B and comes to at rest in time t2 then find total distance travelled and Vmax Write all for formulas of rest 2 rest motion
t
86
24m
87
Ball is dropped from height H and it travelled 7H/16 in last sec of Journey, then find height H
80m
88
-3m/sec ²
89
7:9
90
-20m/s²
91
Find displacement in the given question not distance
240m
92
4
93
A body is moving with uniform acceleration describe 40 m in the first 5 second and 65 m in next 5 second its initial velocity will be
5.5m/s
94
A body falls from rest in the gravity of earth and distance travelled in 45th second is
445m
95
96 m
96
10 second
97
20m
98
400m
99
260m
100
both