Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 92 - 96 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 92
Question MCQ▾
The shaft of an electric motor starts from rest and on the application of a torque, it gains an angular acceleration given by a = 3t – t2 during the first 2 seconds after it starts after which a = 0. The angular velocity after 6 sec will be –
Choices
Choice (4) | Response | |
---|---|---|
a. | rad/sec | |
b. | rad/sec | |
c. | rad/sec | |
d. | rad/sec |
Question 93
Question MCQ▾
A cane filled with water is revolved in a vertical circle of radius 4 m and water just does not fall down. The time period of revolution will be -
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 s | |
b. | 8 s | |
c. | 10 s | |
d. | 4 s |
Question 94
Question MCQ▾
The path followed by a body projected along y axis is given by y = x - x2. If g = 10 m/s2, then the initial velocity of projectile will be - (x and y are in m)
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 √ 10 m/s | |
b. | 10 √ 2 m/s | |
c. | 10 √ 3 m/s | |
d. | 2 √ 10 m/s |
Question 95
Question MCQ▾
A body of mass 4 kg lying on a smooth surface is attached to a string 6 m long and then whirled round in a horizontal circle making 60 revolution per minute. The centripetal acceleration will be
Choices
Choice (4) | Response | |
---|---|---|
a. | 23.68 m/s2 | |
b. | 236.6 m/s2 | |
c. | 2.368 m/s2 | |
d. | 1.18 m/s2 |
Question 96
Question MCQ▾
The length of second՚s hand in a watch is 1 cm. The change in velocity of its tip in 15 second is –
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | 0 | |
d. |