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A body of mass 2.9 kg makes an elastic collision by another body at rest and continues to move in the original direction however with one-fourth of its original speed,
1. What is the mass of the other body? Kg
2. What is the speed of the two-body center of mass if the initial speed of the 2.9 kg body was 4.9 m/s?
Two objects with masses of 3.00 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley, find the distance each object will move in the first second of motion if both objects start from rest
a horizontal spring-mass system has low friction spring stiffness 185 nm and mass 0.3 kg. the system is released with
A spring k=600N/m is placed in a vertical position with its lower end supported by a horizontal surface. What is the kinetic energy of the block at the instant it has fallen 0.50m (compressing the spring0.10m)
question the initial velocity of a 4.0kg box is 11ms due west. after the box slides 4.0m horizontally its speed is 1.5
A passenger hanging onto a strap notices that an adjacent unused strap makes an angle of 14? to the vertical. What is the radius of the turn
A 2.0 m-long cylindrical steel wire with a cross-sectional diameter of 4.0 mm is placed over a light, frictionless pulley, with one end of the wire connected to a 5.0 kg object and the other end connected to a 3.0 kg object. By how much does the w..
A balloon is filled with 5.45 liters of helium at a pressure of 1.25 atm and a temperature of 29.5° C. Find the mass of the helium
A circular coil (radius = 0.40 m) has 160 turns and is in a uniformmagnetic field. If the orientation of the coil is varied through all possible positions,the maximum torque on the coil by magnetic forces is 0.16 N⋅m when the current in thecoil is..
hookes law describes a certain light spring of unstretched length 33.0 cm. when one end is attached to the top of a
A slide projector has a converging lens whose focal length is105.00 mm. (a) How far (in meters) from the lensmust the screen be located if a slide is placed 106.70 mm from thelens?
At t = 0, the current through a 65.0 mH inductor is 52.0 mA and is increasing at the rate of 100 mA/s. How long does it take for the energy to increase by a factor of 10 from the initial value
The flow rate of blood through the average human aorta, of radius 1.0 cm, is about 90 cm^3/s. What is the speed of the blood flow through the aorta
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