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A 0.010 kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 690 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the collision with the bullet occured. As a result of the collision, the block (with the bullet in it) reverses direction, rises, and comes to a momentary halt at the top of the building. Find the time t.
A 529-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius, Find the gravitational force acting on it
two shuffleboard disks of equal mass one orange and the other yellow are involved in an elastic glancing collision. the
Two forces are applied to a 5.0 kg crate; one is 6.0 N to the north, compute The magnitude of the acceleration of the crate
A student hits the cork sharply with her fist and the bottom of the bottle breaks. The student's fist has a mass of m = 0.480kg and moves downward at a speed of vi = 5.00m/s. What is the force that the fist exerts on the top of the bottle
a speed boat starts from rest and accelarates at +2.01m/s^2for 7 seconds at the end of this time the boat continues foran additional 6 seconds with an accelaration of +0.518 m/s^2, find total displacement of the boat
The balance wheel of a watch oscillates with an angular amplitude of n-rad and a period of 0.10 s. Find the maximum angular speed of the wheel
An iron rod has a length of 0.5 m and a cross-sectional area of 6.20 10-4 m2. One end of the rod is in contact with boiling water, what is the mass of ice per second that melts
In the 1950's, an experimental train that had a mass of 16000 kg was powered across a level track by a jet engine that produced a thrust of 5.76 × 105 N for a distance of 418 m. Find the work done on the train
A window pane of dimensions 0.75 m x 0.65 m is installed on a day when the temperature is 35F. What is the percent change in the area of the glass
A charge of 3.45 µC is uniformly distributed on a ring of radius 9.5 cm. Find the electric field strength on the axis at the following locations. (a) 1.2 cm from the center of the ring N/C (b) 3.1 cm from the center of the ring N/C (c) 4.0 m from ..
In classical electromagnetic theory, an accelerating charge e radiates energy at the rate W=(2/3)(a^2 e^2/c^3)ergs/s, what is the initial frequency of radiation that the atom emits
A 2100-kg truck traveling north at 41 km/hr turns east andaccelerates to 60 km/h. What is the change in the truck's kinetic energy
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