circular motion, Physics

Assignment Help:
QUESTION 1
A car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle ? to the horizontal where sine ? = 1/200. Resistance to motion (apart from gravity) is 1.5 N per kg of mass for each vehicle. Calculate the pull of the engine and the tension in the tow -bar when they are:
(a) Moving with constant velocity,
(b) Accelerating at 0.2m/s2

QUESTION 2
(a) A pump raises water through a height of 15m at the rate of 0.05m3 per second. What is the power of the pump?
(b) A constant force acts on a body of mass 2kg and does 45j of work. The effect on the body is that its final velocity is 2m/s more than its initial velocity. Find the initial velocity of the body.

QUESTION 3
(a) A hose (cross-section 4cm2 ) delivers water horizontally with a speed of 25m/s. What is the impulse of the water on a vertical wall (assuming no rebounds)? What average force acts on the wall?
(b) Two masses of 30kg and 20kg, traveling at 4m/s and 1m/s respectively in the same direction, collide and continue together. Find their common speed after the collision?

QUESTION 4
(a) A 600 kg satellite is in circular orbit about Earth at a height above Earth equal to Earth‘s mean radius. Find:
(i) The satellite’s orbital speed,
(ii) The period of its revolution ,
(iii) The gravitational force acting on it.
(b) A 50g mass moves as a conical pendulum with string length 9 x and speed v. if the radius of the circular motion is 7 x find:
(i) The string tension (answer to 2 d .p.),
(ii) V in terms of x, g.



Related Discussions:- circular motion

Nicol prism, Q.   Describes the construction of a 'Nicol Prism' and explain...

Q.   Describes the construction of a 'Nicol Prism' and explains its action in converting UPL into PPL. Sol.     Nicol Prism: This is the most simple and elegant polarizer and

Coriolis pseudoforce, Coriolis pseudoforce (G. de Coriolis; 1835) A ps...

Coriolis pseudoforce (G. de Coriolis; 1835) A pseudoforce that arises due to motion relatively a frame which itself rotating relatively second, inertial frame. The magnitude o

An aquarium for larger water animals, An aquarium for larger water animals ...

An aquarium for larger water animals A glass aquarium 50 cm by 25 cm is of useful size. Old accumulator cells are suitable, but the glass is not very obvious.  To prepare l

What are the uses of an electron microscope, Q. What are the uses of an ele...

Q. What are the uses of an electron microscope? Uses of electron microscope: (i) It is utilized in the industry to study the surface of metals, structure of textile fib

Magnetic flux heat energy, time dependent magnetic flux that is changing fr...

time dependent magnetic flux that is changing from t=0 to t=torque varies as the flux is passing through stationary coil that has electrical resistance R. Find the amount of heat e

Refraction - ripple tank , In a ripple tank two regions A and B can be crea...

In a ripple tank two regions A and B can be created by introducing a pile of glass plates in region B. Thus region B is a shallow water region while region A is a deep water re

Define some characteristics of standing waves, (1) Standing pulse can be lo...

(1) Standing pulse can be longitudinal / transverse. (2) The disturbance confined to a particular part among the starting point and reflecting point of the ray. (3) There is

Reflection of a pulse at a free end, Reflection of a Pulse at a Free End ...

Reflection of a Pulse at a Free End Let's assume a pulse moving by a medium - perhaps by a rope or a slinky. What happens to the pulse while it reaches the end of in which medi

Can you explain solenoidal field, Can you explain solenoidal field? Describ...

Can you explain solenoidal field? Describe with example?

What is the dimentional formula of plank''s constant?, The dimentional for...

The dimentional formula of  plank;s constant ML 2 T -1

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd