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A 5.10 g lead bullet traveling at 530 m/s is stopped with a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains by the bullet while the other half is transmitted to the tree, what is the increase in temperature of the bullet?
2.1 g of helium at an initial temperature of 120 deg C and an initial pressure of 1.0 atm undergo an isothermal expansion until the volume has doubled. What is the change in thermal energy of the gas
A cannon fires a 7.120kg projectile at 36.75 degrees. Theprojectile lands in a cart that is on the same level surface as thecannon. how fast was the projectile fired
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
Light with an initial intensity of S0 passes through a vertical-oriented polarizer, and then passes through a second polarizer oriented 12.2° from vertical. find the direction (or possible directions) of the initial polarization
what will be observed on the screen? a fuzzy image is visible no image is visible on the screen a clear image slightly smaller than the original image is visible a clear image slightly larger than the original image is visible.
The oxygen molecule (O2) contains two oxygen molecules, each with mass 2.7x10^-27 kg and a bond distance of 1.24x10^-10 m. Calculate the following: The moment of inertia for rotation about an axis perpendicular to the bond.
Estimate Earth's rotational inertia, assuming it to be a uniform solid sphere, What torque applied to Earth would cause the length of the day to change by 1 second every century
The femur is a bone in the leg whose minium cross-sectional area is about 4.20 10-4 m2. A compressional forcein excess of 6.90 104 N will fracture this bone.
A 15 kg box is pulled horizontally by a 20 N force on a frictionless surface. What is the change in kinetic energy of the box
for a piece of material the steady-state flow across its thickness is 0.345x10-3 kgm2 h on the low pressure surface
a 70.9 kg boy and a 43.2 kg girl both wearing skates face each other at rest on a skating rink the boy pushes the girl
A uniform cylinder of mass m=8.26 kg and radius R=0.147 m is released from rest on an inclined plane (theta=42.4 deg), What is the magnitude of the angular velocity just before the cylinder reaches the horizontal surface
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