Kinematics (NEET Physics): Questions 226 - 228 of 229

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 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: 226

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

The rate of burning of fuel in a rocket is 50 gm/sec. and comes out with and velocity 4 x 10 3 m/s. The force exerted by gas on rocket will be –

Choices

Choice (4) Response
a.

2.5 x l0 4 N

b.

250 N

c.

2.5 x l0 6 N

d.

200 N

Question number: 227

» Kinematics » Uniformly Accelerated Motion

MCQ▾

Question

An automobile of mass m accelerates from rest. If the engine supplies a constant power P, the position (s) at time (t) is given by –

Choices

Choice (4) Response
a.

(2ptm)t

b.

(8p9m)12t

c.

(9p8m)12t12

d.

(8p9m)12t32

Question number: 228

» Kinematics » Uniformly Accelerated Motion

Appeared in Year: 2016

MCQ▾

Question

In the given figure, a=15ms2 represents the total acceleration of a particle moving in the clockwise direction in a circle of radius R=2.5m at a given instant of time. The speed of the particle is –

Circle c Circle c: Circle through B with center AAngle? Angle? : Angle between A, C, A’Segment f Segment f: Segment [A, D] Segment g Segment g: Segment [A, C] Vector u Vector u: Vector [C, A’] Vector u Vector u: Vector [C, A’] Point A A = (0.08, 3.5) Point A A = (0.08, 3.5) Point C C = (0.74, 4.4) Point C C = (0.74, 4.4) 30? text1 = “30? “R text1_1 = “R”a text1_2 = “a”O text1_3 = “O”

a Circular Path of Radius 2.5 M

In figure a particle moving in the clockwise direction in a circle of radius R = 2.5 m at a given instant of time.

Choices

Choice (4) Response
a.

4.5ms

b.

5.7ms

c.

5.0ms

d.

6.2ms

Sign In