Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Define and compare following with one example of each: (a) Circular motion andlinear motion, (b) Force and weight, (c) static friction and kinetic friction, (d)potential

  1. Define and compare following with one example of each: (a) Circular motion andlinear motion, (b) Force and weight, (c) static friction and kinetic friction, (d)potential energy and kineticenergy.
  2. ExplainNewton's threelawsofmotionwithoneexample ofeachfromyourdaily life.
  3. (a) A 350 g model rocket acceleratesat 45.9 m/s/s on takeoff. Determine theupward force experienced by the rocket. (b) If acceleration of the rocket isreduced to 20 m/s^2, then what would be the force?
  4. If a car accelerates from zero to 25 m/s in 30 sec, (a) what is its acceleration and(b)how much force it has applied if its mass is 800 kg?
  5. (a) If your mass is 60 kg, what is your weight on Earth, Moon and Jupiter ifgravityonEarthis9.8m/s^2,onMoonis1.62m/s^2,onJupiteris24.8m/s^2?

(b)What will be your mass on these planets?

6.Pat is pulling on a rope to drag his backpack to school across the ice. He pullsupwards and rightwards with a force of 22.9 N at an angle of 35 degrees abovethe horizontal to drag his backpack a horizontal distance of 129 m to the right.Determine the work (in Joules) done upon the backpack.

  1. A new conveyor system at the local packaging plan will utilize a motor-poweredmechanicalarmtoexertanaverageforceof890Ntopushlargecratesadistance of 12 meters in 22 seconds. (a) Determine work done, (b) Power output requiredofsuch a motor.
  2. WhatisworkdoneinPhysics?Whatisenergy?Howmanytypesofenergyhaveyou learned, name them and explain them with one example of each?
  3. If you are running with speed of 6 m/s and your weight is 800 N. Find out (a)yourmass,(b)yourkineticenergy,(c)Ifyouliveon2ndfloorthatis5mabovetheground, then how much potential energy you willhave.
  4. Ifyouthrowabasketballatanangleof30owithinitialvelocityof12m/s.Findout (a) x and y components of initial velocity, (b) x and y components of finalvelocity.

Please help me with these any answers you can help with will be helpful

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Cost Accounting Foundations and Evolutions

Authors: Michael R. Kinney, Cecily A. Raiborn

9th edition

9781285401072, 1111971722, 1285401077, 978-1111971724

Students also viewed these Physics questions