RELATED QUESTIONS

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  two balls A and B of masses 40g ang 50 g are moving at speed of 40m/s and 30m/s respectively. If after colliding, B starts moving with a velocity 25m/s, what is the velocity of A?
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  two balls A and B of masses 40g ang 50 g are moving at speed of 40m/s and 30m/s respectively. If after colliding, B starts moving with a velocity 25m/s, what is the velocity of A?
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  The Velocity of a 600kg automobile is changed from 10 m/s to 44 m/s by an applied force. Calculate that force.
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  A metal ball of mass 100 gm moves with a uniform velocity 10 m/sec in a dusty medium such that the dust sticks to its surface at a constant rate equal to 0.6 gm per second. Find the mass of the ball and the force acting on it at any moment in dyne.
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  A sprinter starting from rest on a straight and level track is able to achieve a speed of 14 m/s in a time of 5.7 s. What is the sprinter's average acceleration?
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  A 9800 kg car traveling 22 m/s strikes a concrete bridge support and comes to a complete halt in 0.5 sec. Calculate the magnitude of the force acting on the car to stop it.
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  what if the boy and the girl pull the heavy crate at the same time in opposite directions with 10 units and 5 units of the force respectively, what will be the net force on the object? will the object move?
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  if s and t are the two roots of x^2-7x+2=0, the quadratic equation whose roots are s+1 and t+1 is equal to?
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  A committee of people is to be selected from a group of 5 men and 4 women. Assuming that the selection is made randomly, what is the probability that the committee consists of 3 men and 2 women?
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  A barrel of weight 1500N and radius 0.5 m rests against a step of height 0.2 m.What is the smallest horizontal force through the center of circle needed to push the barrel over the step?