Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 106 - 109 of 475
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Question 106
Question MCQ▾
A ball ‘A’ is projected from origin with an initial velocity v0 = 700 in a direction 37° above the horizontal as shown in fig Another ball ‘B’ 300 cm from origin on a line 37° above the horizontal is released from rest at the instant A starts. How far will B have fallen when it is hit by A?
Choices
Choice (4) | Response | |
---|---|---|
a. | 900 cm | |
b. | 9 cm | |
c. | 90 cm | |
d. | 0.9 cm |
Question 107
Question Assertion-Reason▾
Assertion(Ꭺ)
In non-uniform circular motion, velocity vector and acceleration vector are not perpendicular to each other.
Reason(Ꭱ)
In non-uniform circular motion, particle has normal as well as tangential acceleration.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
b. | Ꭺ is true but Ꭱ is false | |
c. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are false |
Question 108
Question MCQ▾
A car driver is negotiating a curve of radius 100 m with a speed of 18 km/hr. The angle through which he has to lean from the vertical will be –
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 109
Question MCQ▾
A ball is thrown horizontally from a height of 20 m. It hits) the ground with a velocity three times its initial velocity. The initial velocity of ball is
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 m/s | |
b. | 7 m/s | |
c. | 2 m/s | |
d. | 3 m/s |