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A 13.49 g ball of putty traveling east at 6.75 m/s collided and sticks to another ball of putty of mass 23.81 g traveling north at 14.82 m/s. What is the final speed (magnitude) of the ball of putty?
A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..
A set of jumpers cables used to start a car from another car's batterty is connected to the terminals of both batteries. What is the force per unit length on the cables
q1. a kid fires water horizontally from a squirt gun held 1.6 above the ground. it hits other kid 2.4 away squares in
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.740 m/s2, What is the coefficient of kinetic friction between block 2 and the table
The bones a a saber-toothed tiger are found to have an activity per gram of carbon that is 14.5 % of what would be found in a similar live animal. How old are these bones
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
An important feature of the Carnot cycle is that: A) its efficiency can be 100% B) its efficiency depends on the absolute temperature of the hot reservoir used.
The maximum torque experienced by a coil in a 0.82-T magnetic field is 9.6 x 10-3 N·m, What is the length of the wire from which the coil is made
A 1830 kg car traveling at 12.9 m/s collides with a 2980 kg car that is initally at rest at a stoplight. find the coefficient of kinetic friction between the cars and the road
What is change in electrical potential energy of electron
one mole of an ideal gas at 1 atm and 0 C is compressed isothermally from 50 L to 20 L. What is the change of internal energy for this gas
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