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 power needed just for living, called the basal metabolic ... On a racing bicycle, a reasonably fit rider can ride at 40 km/h ( 25 mph) on flat ...

www.jiskha.com/search/index.cgi?query=How+much+force+is+needed+to+accelerate+a+50-kg+rider+and+her+250-kg+motorcycle+at+5+m%2Fs2%3F

A motorcycle and 66.0 kg rider accelerate at 2.0 m/s2 up a ramp inclined 5.0° ... How much force is needed to accelerate a 50kg rider and his 250kg motorcycle at .... 5 months, she left the job and received $250 plus the motorcycle for her pay.

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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?

www.jiskha.com/display.cgi?id=1176093820

How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s 2? a.) 1000 N b.) 125 N c.) 500 N d/) 1500 N F = ma

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/s2 on a ball of mass 6 kg?

www.edu.pe.ca/gray/class_pages/krcutcliffe/physics621/5%20forces/dynamics%20problems.htm

Together, a motorcycle and its rider have a mass of 375 kg. If they are traveling north, what net force would be required to cause an acceleration of 4.50 m/s2, ...

tuhsphysics.ttsd.k12.or.us/Tutorial/NewIBPS/PS8_9/PS8_9.htm

So for our 2.0 cm driving wheel with an angular acceleration of 7.2 rad/s/s, and the .... r = .30 m. F = (80 Nm)/(.30 m) = 266.67 N, This force is much greater at the ... A small 1.05kg ball on the end of the light rod is rotated in a horizontal circle of a ... of inertia about its center, and (b) the applied torque needed to accelerate it ...

www.physicsclassroom.com/reviews/Circular-Motion-and-Gravitation/Circular-Motion-and-Gravitation-Review-Answers-3

Calculate the acceleration and the net force acting upon the car. ... 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 ... Determine the minimum coefficient of friction required to keep a 920.- kg ... (This is not a likely mu value and as such the car does not have much of a chance ...

www.pstcc.edu/departments/natural_behavioral_sciences/Web%20Physics/Chapter06.htm

If an object placed on a horizontal surface is pushed or pulled by force F as ... Solution: (a) (K.E.)1 = (1/2)(2000.kg)(10.0m/s)2 = 100,000 (kg m/s2)m ... If the pool is allowed to empty to the ground level, (b) how much energy is at .... kg car traveling at 15m/s changes its speed to 25m/s in a distance of 50.m due to a net force.

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 ...