RELATED QUESTIONS

• 
  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.
• 
  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?
• 
  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?
• 
  The Velocity of a 600kg automobile is changed from 10 m/s to 44 m/s by an applied force. Calculate that force.
• 
  Find total energy of body of 5kg mass,which is at a height of 10m from earth and falling downwards with a velocity of 20m/s.take acceleration due to gravity as 10m/s
• 
  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.
• 
  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?
• 
  The image of an object, placed at 20 CM in front of the lens is formed hundred cm find the length of the lens is used to correct a vision defect then what will be the near point of the defected eye
• 
  A geriatrician wanted to study the problem of diabetes in a nursing home. The nursing home had 300 residents. Among these, 30 residents were already diagnosed as diabetic, and 20 more residents were diagnosed as diabetics after blood glucose and HbA1c tests on Jan 1, 2016. Blood work up was done at 6-month intervals and 50 residents were diagnosed with diabetes over the course of 12 months. What is the incidence rate of diabetes in the nursing home population in the year 2016?
• 
  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?