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A 4.12 g lead bullet moving at 300 m/s strikes a steel place and stops. If all its kinetic energy is converted to thermal energy and none leaves the bullet, what is its temperature change?
A wire 69.2 cm long carries a 0.740 A current in the positive direction of an x axis through a magnetic field with an x component of zero
what was the initial speed given to the rock. A light plane is headed due south with the speed of 154 km/h relative to still air. After 1.06 hour, the pilot notices that they have covered only 127km and their direction is not south but southeast (4..
a crate is pulled 2.0 m at constant velocity along a 15 degree incline. the coefficient of kinetic friction between the
Using Newton's Version of Kepler's Third Law II Part A Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon. Express your answer using two significant figures. ..
A thermos contains 141 cm3 of coffee at 92.9 °C. To cool the coffee, you drop two 10.4-g ice cubes into the thermos. What is the final temperature of the coffee
Transverse waves with a speed of 56.0 m/s are to be produced on a stretched string. Calculate the wave speed in the string if the tension is 8.00 N
A phone cord is 5.00 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.925 s. What is the tension in the cord?
An object has a kinetic energy of 277 J and a momentum of magnitude 26.9 kg·m/s. Find the speed and the mass of the object
A person is throwing a ball which is thrown horizontally with an initial speed of 10m/s. It hits the ground 4 seconds later. How far did it drop in 4 seconds?
You launch a model rocket from ground level. It moves directly upward with a constant acceleration of 70.0 m/s2 for 1.10 seconds, what is the maximum altitude (above the ground) achieved by the rocket
A mass of 10-KG accelerates along a straight line from a speedof 54 KM/hr to 108 KM/hr in 5 minutes. Find the force acting on this mass
What conclusions can you draw from this experiment? Draw free body diagrams for the hanging mass m1 and any attached pulleys for each of the three investigations.
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