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Bicycle performance

en.wikipedia.org/wiki/Bicycle_performance

A bicycle's performance, in both biological and mechanical terms, is extraordinarily efficient. ... 5 W/kg is about the level reachable by ordinary male athletes for longer ... This includes the...

How much force is needed to accelerate a 50-kg rider and her 250 ...

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A motorcycle and 66.0 kg rider accelerate at 2.0 m/s2 up a ramp inclined 5.0° above the horizontal. ... How much force is needed to accelerate a 50kg rider and his 250kg motorcycle at 4m/s27 ... The rider is at the peak of his jump at 5 m.

how much force is needed to accelerate a 68 kg-skier at

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how much force is needed to accelerate a 68 kg-skier at a rate of 1.2 m/sec sq ... A 48 kg skier skis directly down a frictionless slope angled at 5° to the ... done? m =2100 kg w=fd v1=0 f=ma t=4 sec d=t+1/2at(squared) a=2.6 m/s2 ... How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?

As you climb a mountain, your ears "pop" because of the

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Apr 9, 2007 ... F = 300 x 5 = 1500N How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2? 1500. Physics please check ...

Motion and forces

resources.mhs.vic.edu.au/science/resources/files/Worksheet - Force and Motion.pdf

a) 10 kg at 5 m/s2 d) 0.75 kg at 3 m/s2 g) 58.9 kg at 4.3 m/s2 'f/ fffig ... What is the mass of an object if the acceleration and resultant force are: ... c) A scooter and rider with a total mass of 270 kg accelerating at 3.4 m/sz. ... d) A 250 kg motorbike accelerating at 0.75 m/s2 or a 20 kg bicycle .... Q1 a)50Nb)35NC)376Nd)2.3N.

In Example 3, find the work done by the frictional force

www.pstcc.edu/departments/natural_behavioral_sciences/Web Physics/Chapter06.htm

(b) (K.E.)2 = (1/2)(2000.kg)(20.0m/s)<sup>2</sup> = 400,000 (kg m/s<sup>2</sup>)m = 400,000 J (3 sig. fig.) ... to the acceleration of gravity (g) of the planet or star, the mass of the object, M, and ... 5) The work done by a force F is maximum if the direction of F is (a) normal to ... kg car traveling at 15m/s changes its speed to 25m/s in a distance of ...

Circular Motion and Gravitation Review - with Answers #3

www.physicsclassroom.com/reviews/circles/cpmans3.cfm

A roller coaster car loaded with passengers, has a mass of 500 kg; the radius of ... Calculate the acceleration and the net force acting upon the car. ... Fnet = m•a = (500. kg)•(27.0 m/s<sup>2</sup>) = 13500 N (part b) ... A 53.5-kg rider on a roller coaster car is moving 10.3 m/s at the top of a loop which has a radius of curvature of 7.29 m.

Problems on Velocity- Test Questions | Tutorvista.com

www.tutorvista.com/content/science/science-i/force-laws-motion/question-answers-3.php

How much does the velocity change in 2 seconds? Answer: ... Question: Brakes are applied on a car of mass 1000 kg moving with a velocity of 54 km/h. The car covers a distance of 50 m before coming to rest. Calculate ... Question: What force would be needed to produce an acceleration of 4 m/s<sup>2</sup> on a ball of mass 6 kg?

Table of Contents

jphuebner.com/HomeWorkSheets.pdf

A motorcycle traveling 60.0 mi/h (96.5 km/h) down the parkway accelerates to the posted ... An elevator accelerates upward from rest at 0.830 m/s2. .... How much time does it take for the grenade to reach the ground? 09. ...... What minimum force is needed to lift a 3.72-kg object off the floor up onto the table 82.5 cm above?

Homework Solutions - eiu.edu

www.ux1.eiu.edu/~cfadd/1350/Hmwk/Ch11/Ch11.html

(4ed) 11.* A solid sphere has a radius of 0.200 m and a mass of 150 kg. How much work is required to get the sphere rolling with an angular speed of 50.0 rad/ s ...

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How much force is required to accelerate 5kg at 15m/sec?

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how much force is needed to accelerate a 68 kg-skier at a rate of 1.2 m/sec sq ..... is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?

How much force is required to give an object with mass of

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How much force is needed to accelerate a 25 kg object by 3 m/s^2? 2. ..... much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?

What force is needed to accelerate a child on a sled (total

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The child pulls with a force of 32.7 N and the total mass of the sled is 23.5 kg. ... a horizontal force of 38.4 N, it begins to move with an acceleration of 2.39 m/s2. ... a 5 kg sled and the ground if a 20 N force is needed to cause it to accelerate ... How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle  ...