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A 4.60-g lead bullet traveling at 320 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in temperature of the bullet?
°C
An airplane travelling 1001 m above the ocean at 125km/hr is to drop a box of supplies to shipwrecked victims below. How various seconds (t) before being dropped directly overhead should the box be dropped.
A speed skater moving across frictionless ice at 8.1{\rm m}/{\rm s} hits a 6.0{\rm m} -wide patch of rough ice. What is her acceleration on the rough ice
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
Derive an equation for specific gravity in terms of the ry sample weight and the apparently lighter submerged weight, Calulate the specific gravity of each sample
The drag force on an object depends on the dimensionless drag coefficient, the density of air, the object velocity, and the frontal area of the object. By only considering units obtain a relation for the drag force
Digital bits on a 12.0-cm diameter audio CD are encoded along an outward spiraling path that starts at radius R1=2.5cm, Determine the total length of the spiraling path
A proton moving with a velocity of 4.0 *10^4 m/s enters a magnetic field of 0.20 T. what is the magnitude of the force on the proton
A certain car battery with a 12.0 V emf has an initial charge of 115 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how various hours can it deliver energy at the rate of 110 W.
A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.0 m/s in a time of 9.0 s. What is the angular acceleration of each tire
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.69 km. What is the distance they travel
A diffraction grating is made up of slits of width 420 nm with separation 1300 nm. How many maxima are there in the full diffraction pattern
Water is flowing through a circular hole in a large, open tank at a rate of 126 ml / s. The hole is 3.75 meters below the surface of the water in the open tank. The area of the hole is 4 cm2
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