NEET Physics: Questions 191 - 195 of 2142

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 191

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A car driver is negotiating a curve of radius 200 m with a speed of 15 km/hr. The angle through which he has to lean from the vertical will be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 192

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A particle is moving in a circular path with velocity varying with time as v = 1.5t-+ 2t. If the radius of circular path is 2 cm. the angular acceleration at t = 2 sec will be –

Choices

Choice (4) Response

a.

400 rad/sec 2

b.

4 rad/sec 2

c.

0.4 rad/sec 2

d.

40 rad/sec 2

Question number: 193

» Laws of Motion » Centripetal Force

MCQ▾

Question

The maximum speed at which a car can turn round a curve of 30 meter radius on a level road if the coefficient of friction between the tiers and the road is 0.4, will be –

Choices

Choice (4) Response

a.

11.76 m/s

b.

17.84 m/s

c.

9.02 m/s

d.

10.84 m/s

Question number: 194

» Kinematics » Motion in a Plane

MCQ▾

Question

A particle is moving in a plane with a velocity given by, u = u0 i + (∞a cos ∞t) j, where i and j are unit vectors along x and y-axes respectively. If the particle is at the origin at t = 0, then its distance from the origin at time t = 3π/2∞ will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 195

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A particle moves in a circle of radius 10cm with a linear speed of 20m/s. The angular velocity will be –

Choices

Choice (4) Response

a.

25 rad/s

b.

75 rad/s

c.

50 rad/s

d.

200 rad/s

f Page
Sign In