Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 216 - 219 of 475

Choose Programs:

📹 Video Course 2024 (8 Lectures [3 hrs : 4 mins]): Offline Support

Rs. 100.00 -OR-

1 Month Validity (Multiple Devices)

Preview All LecturesDetails

⏳ 🎯 Online Tests (5 Tests [50 questions each]): NTA Pattern, Analytics & Explanations

Rs. 500.00 -OR-

3 Year Validity (Multiple Devices)

Sample TestsDetailsSee Demo

🎓 Study Material (575 Notes): 2024-2025 Syllabus

Rs. 650.00 -OR-

3 Year Validity (Multiple Devices)

Topic-wise Notes & SampleDetails

🎯 5119 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 750.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 216

Question MCQ▾

A ball of mass m hits a wall with a speed v making an angle 6 with the normal. If the coefficient of restitution is e, the direction and magnitude of the velocity of ball after reflection from the wall will respectively be –

Choices

Choice (4)Response

a.

,

b.

,

c.

,

d.

,

Edit

Question 217

Question MCQ▾

The mass of a rocket is 600 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 40 m/s2 in the vertically upward direction (g = 10 m/s2) , will be –

Choices

Choice (4)Response

a.

72 kg/s

b.

10 kg/s

c.

60 kg/s

d.

120 kg/s

Edit

Question 218

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 600 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.

0.6 m/s

d.

1.2 m/s

Edit

Question 219

Question MCQ▾

A force produces an acceleration of 10 m/s2 in a body and same force an acceleration of 25 m/s2 in another body. The acceleration produced by the same force when applied to the combination of two bodies will be –

Choices

Choice (4)Response

a.

7.142 m/s2

b.

3.75 m/s2

c.

20 m/s2

d.

0.667 m/s2

Edit