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"Ken Ranfast is the star of the cross-country team. During the recent morning run, Ken averaged a speed of 5.8m/s for 12.9 minutes. Ken then averaged a speed of 6.10 m/s for 7.1 minutes. Determine the total distance which ken ran during his 20 minute jog."

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At what temperature will the root mean - square speed of oxygen molecules have the value of 640m/s? 1 kilomole of oxygen has a mass of 32kg

a) 252.5^oc

b) 332.3 ^0c

c) 272.2 ^0c

d) 373.2 ^0c

a) 252.5^oc

b) 332.3 ^0c

c) 272.2 ^0c

d) 373.2 ^0c

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The temperature at which the tungsten filament of 12v and 36w lamp operates is 1730^0c. if the temperature coefficient of resistance of tungsten is 6 x 10^-3/k, find the resistance of the lamp at a room temperature of 20^0c

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The temperature(T) of an ideal gas varies with it's volume (V) as T=-aV ^ 3+bV^2.where 'a' and 'b' are positive constant s.the maximum pressure of gas during this process is.

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sunil played a stroke and hits a ball with a velocity of 20 m/s at an angle of elevation 45 degree.kapil standing near the boundary along the line of stroke,50m away from the batsman,startsrunning to catch the ball at the instant the ball is hit.He managed to run at constant acceleration and at the last moment he took the catch 2 m above the level of the stroke point.Find

1.the acceleration with which kapil must have run.

2.velocity of the ball when caught by fielder

3.velocity of fielder while catching the ball.

please use the normal physics motion formula to solve so that i can understand and if u can give other problems related to this math , i will be grateful.thank you.

1.the acceleration with which kapil must have run.

2.velocity of the ball when caught by fielder

3.velocity of fielder while catching the ball.

please use the normal physics motion formula to solve so that i can understand and if u can give other problems related to this math , i will be grateful.thank you.

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A closed cylinder vessel contain N moles of an ideal diatomic gas at at constant temperature T.on supplying heat,temperature remains same but 'n' moles get dissociated into atoms.the heat supplied is....

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To an ideal tri atomic gas 800cal heat energy is supplied at constant pressure.if vibrational mode is neglected, then energy used by as in work done against surrounding is

A) 200cal. B) 300cal. C) 400cal. D) 60cal

A) 200cal. B) 300cal. C) 400cal. D) 60cal

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A batsman hits a ball at a velocity of 17.5 m/s angled at tan−1 (3/4) above the horizontal,

the ball initially being 60 cm above level ground. The ball is caught by a fielder standing

28 m from the batsman. Find the time taken for the ball to reach the fielder and the

height above ground at which he takes the catch.

the ball initially being 60 cm above level ground. The ball is caught by a fielder standing

28 m from the batsman. Find the time taken for the ball to reach the fielder and the

height above ground at which he takes the catch.

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andrea and heather are driving their tractors as fast as they can in opposite directions. now andrea is driveng a john deere tractor at a whopping 36 miles per hour. her friend, heather, is racing away from her on an international tractor at 24 miles per hour. how long will it take them to be 30 miles apart?

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how can you measure the acceleration of an automobile using instruments located only within the automobile?

Answered! |