Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 202 - 205 of 475
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Question 202
Question MCQ▾
A rifle man, who together with his rifle has a mass of 100 kg, stands on a smooth surface fires 10 shots horizontally. Each bullet has a mass 10 gm and a muzzle velocity of 800 m/s. What velocity does rifle man acquire at the end of 10 shots?
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.3 m/s | |
b. | 0.5 m/s | |
c. | 1.2 m/s | |
d. | 0.8 m/s |
Question 203
Question MCQ▾
In the figure shown, the velocity of each particle at the end of 4 sec will be -
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.872 m/s | |
b. | 2.18 m/s | |
c. | 8.72 m/s | |
d. | 0.218 m/s |
Question 204
Question MCQ▾
The mass of a rocket is 500 kg and the relative velocity of the gases ejecting from it is 250 m/s with respect to the rocket. The rate of burning of the fuel in order to give the rocket an initial acceleration 20 m/s2 in the vertically upward direction (g = 10 m/s2) , will be –
Choices
Choice (4) | Response | |
---|---|---|
a. | 10 kg/s | |
b. | 30 kg/s | |
c. | 60 kg/s | |
d. | 45 kg/s |
Question 205
Question MCQ▾
rifle man, who together with his rifle has a mass of 100 kg, stands on a smooth surface fires 10 shots horizontally. Each bullet has a mass 10 gm and a muzzle velocity of 900 m/s. What velocity does rifle man acquire at the end of 10 shots.
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.5 m/s | |
b. | 0.9 m/s | |
c. | 0.3 m/s | |
d. | 0.6 m/s |