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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
- 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.
- ExplainNewton's threelawsofmotionwithoneexample ofeachfromyourdaily life.
- (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?
- 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?
- (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.
- 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.
- WhatisworkdoneinPhysics?Whatisenergy?Howmanytypesofenergyhaveyou learned, name them and explain them with one example of each?
- 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.
- 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
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