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

How long will fiber optics last, How long will fiber optics last? In ca...

How long will fiber optics last? In case of glass basically indefinitely the inert characteristics of the material. It refers to the actual fiber, but not to the polymer claddi

Short note on waves, Waves: A disturbance that travels by a medium is c...

Waves: A disturbance that travels by a medium is called wave.

Applications of neodymium-yttrium-aluminium-garnet laser, What are the appl...

What are the applications of Neodymium-Yttrium-Aluminium-Garnet Laser? Applications of Neodymium-Yttrium-Aluminium-Garnet Laser: a. Used into materials processing as like we

Scientific report, How to set out a scientific report and include a collect...

How to set out a scientific report and include a collection and analysis of data to support my claims/findings. I am making a model and videoing it, i am wondering how to do a scie

Determine the length of this heat exchanger, A concentric tube heat exchang...

A concentric tube heat exchanger is comprised of a thin wall inner tube of 25.4 mm diameter and an outer tube of 47 mm diameter. The heat exchanger is used for cooling lubricating

What is Neural coding? Explain Neural coding, Neural coding is a neuroscien...

Neural coding is a neuroscience based field mainly concerned with characterizing the relationship b/w the stimulus & the individual and ensemble neuronal responses or the relations

Like and unlike pararell forces, what is the difference between like and un...

what is the difference between like and unlike pararell forces?

Types of capacitor, what about capacitor with dielectric & air electric & ...

what about capacitor with dielectric & air electric & electrolytic capacitor

Which color of light that undergoes the greatest deviation, A beam of white...

A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen.  Which color of light that undergoes the greatest devi

Problems on digital image, What is the raw file size for an image of 80 row...

What is the raw file size for an image of 80 rows and 100 columns, with pixels on 14 bits and with an extra row for the header? The minimum and maximum values observed in a

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