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The predominant frequency of a certain police car's siren is 1550Hz when at rest. What frequency do you detect if you move with a speed of 30.0m/s
If the radius of the loop is R and the incline starts 4 R above base of the track, what is the normal force exerted by the track on the mass.
Consider two observers moving in the x direction with respect to a stationary reference frame. The worldline of one observer is given by x1 = (1/3)t
What is the period of oscillation of the scale? Express your answer numerically in seconds.
A vector ?eld v(x, y, z) is given by the formula
Two particles each have a mass of 5.4 x 10-2 kg. One has a charge of +4.8 x 10-6 C, and the other has a charge of -4.8 x 10-6 C.
Solve for e algebraically by solving the energy equations for v1 and v2 in terms of y1 and y2 and taking the ratio.
A 90 kg fullback moving east with a speed of 5 m/s is tackled by a 95 kg opponent running north at 3.0 m/s. If the collision is perfectly inelastic.
Explain why Kirchoff's first rule is equivalent to conservation of electric charge, while second rule is equivalent to the conservation of energy?
A 5.3 g bullet leaves the muzzle of a rifle with a speed of 336 m/s. What force (assumed constant) is exerted on the bullet while it is traveling.
A 0.25 kg ball is thrown straight up into the air with an initial speed of 19 m/s. Find the momentum of the ball at the following locations.
Velocity and acceleration: consider a velocity vector given in standard unit vector form in rectangular Cartesian coordinates as
A particle of mass m=30 g slides inside a bowl whose cross section has circular arcs at each side and a flat horizontal central portion.
A block of mass m1 =2.0 Kg slides along a frictionless table with a speed of 10 m/s. Directly in front of it, and moving in the same direction.
In the Hilbert space C^2 x C^2 In the Hilbert space C^2 x C^2
Would you explain how to solve the following problem to the specified answer of 0.199? Please offer as much explanation as possible.
A piston (1) as shown in the figure has a diameter of 0.25 inches, and piston (2) has a diameter of 1.5 inches.
Compare the potential energy of the ball prior to its release to the kinetic energy of the ball just as it leaves the table.
A 325gram piece of gold at 425C is dropped into 200ml of water at 22.0C. The specific heat of gold is 0.031 cal/g-C.
The world seems to think that a new temperature scale is needed, the NurAn degree. On this scale it is decided that water will freeze at 17 degrees
2 stationary point charges +3.00 nC and +2.00 nC are seperated by a distance of 50.0 cm. An electron is released from rest at a point midway.
A car of mass 1600 kg is travelling East at a speed of 25m/s along a horizontal roadway. When its brakes are applied, the car stops in 6.0 s.
Express the speed of light in terms of (AU) per minute.
Find the threshold energy of the photon, that is, the minimum energy the photon must have for this reaction to occur.
A sphere has a radius 1.500m Find its volume in cm^3. Find its suface area in m^2 and in mm^2?