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an 8000 kg truck traveling with a velocity of 20.0m/s in a direction 30 (degree) south of east and a 6250 kg cartraveling with a velocity of 25.0 m/s 40 (degree) north of eastcollide in a perfectly inelastic collision. find
a) the final speed
b) the direction of the combined mass
c) the change in the kinetic energy of the system.
a 5.0*10^2 N laod is lifted 6.0 m with a pulley. the force exerted on the pulley rope is 165 N and the efficiency is 65 %. how far is the rope pulled
A satellite is put in a circular orbit about Earth with a radius equal to 50% of the radius of the Moon's orbit. What is its period of revolution in lunar months
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
q1. a 28-rm cm-diameter vertical cylinder is sealed at the top by a frictionless 25 kg piston. the piston is 87 cm
A viscometer consists of two concentric cylinders, 10.2 cm and 10.6 cm in diameter. A particular liquid fills the space between them to a depth of 12.0 cm. What is the viscosity of the liquid
Find both the position of as a function of time x(t) and the velocity v(t) for the following two forces, assuming the particle is at rest at x=0 and t=0. (assume that Fo, b, and k are constants)
Suppose that the speed of the water in the reservoir is zero, and that the water flow is steady. Overlook both air resistance and the height difference between the reservoir and the muzzle.
Use Kirchhoff's laws to set up three simultaneous equations that can be solved for the value of each of the currents in Figure 3 in terms of the power supply voltages and the resistor values. Use the measured resistor and power supply voltage values ..
A person pushes on a stationary 125 N} box with 69N at 30degrees below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 1.20. What is the normal force on the box?
A large capacitance of 2.00 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
Two objects with masses of 2.50 kg and 5.90 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
How long is the rocket in the air?
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