Determine the speed and the mass of the object
An object has a kinetic energy of 313 J and a momentum of magnitude 24.1 kg·m/s. Find the speed and the mass of the object.
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An athlete completed a marathon in 2 h, 39 min, 47 s. The marathon distance is 26 mi, 385 yd. Determine the average speed (in miles per hour) of the athlete.
a ball rolls down a hill with a constant acceleration of 2.0 m/s^2. The ball starts at rest and travels for 4.0 s before it stops. How far did the ball travel before it stopped? what was the balls vlocity right before it stopped.
Bob, who has a mass of 82 , can throw a 900 rock with a speed of 34 .The distance through which his hand moves as he accelerates the rock forward from rest until he releases it is 1.1 What constant force must Bob exert on the rock to throw it with
About that axis and with torque applied for 20 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk?
A driver wearing a seatbelt decelerates at roughly the same rate as the car itself. Since modern cars have a "crumple zone" built into the front of the car, the car will decelerate over a distance of roughly 1.2 m. Find the net force acting on a 7
The density of the ice is 917-kg/m^3 and that of seawater is 1025-kg/m^3. Find the percentage of the icebergs volume that lies below the surface.
A box with a mass of 5.0kg is lifted (without acceleration) through a height of 2.0m, in order to place it upon the shelf of a closet.
The invaders thermometer shows the temperature on earth to be 58 I. What is the temperature on the Celsius scale?
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