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A block with a mass of 0.148 kg is traveling at 8.4 m/s on a horizontal, frictionless surface when it hits a spring with a spring constant of 722 N/m.
A) What is the compression of the spring when the block has slowed to 3.9 m/s?
B) What is the speed of the block when the spring has been compressed by 0.049m?
C) What is the maximum amount the spring is compressed?
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the value of the angle theta
What is the weight of the displaced amount of water when the boulder is placed inside the tank (measured in N)? The tank had an original volume of water of 5000 L. while the boulder got placed inside the tank, the volume of water rose to 5010.165 ..
An ice skater is traveling in a straight, horizontal line on the ice with a velocity of v=5.5m/s in the positive x direction. Write an expression for the normal force, F_n, that the ice pushes against both skates together
A thin uniform rod (mass = 1.95 kg) swings about an axis that passes through one end of the rod, What is the length of the rod
A wire with a current of 4.90 A is to be formed into a circular loop of one turn. what is the required radius
A swimmer bounces straight up from a diving board and falls feet first into a pool. What is her velocity when her feet hit the water
The primary coil of a transformer has N1 = 2.00 102 turns, and its secondary coil has N2 = 1.00 102 turns. what rms voltage is developed across the secondary coil
A loudspeaker at the origin emits a 140Hz tone on a day when the speed of sound is 340 m/s. What is the distance between these two points
An equilateral triangle has sides of lengthL. Charges of +Q,-2Q,and +3Q are placed at the vertices. Find the electric field midway between the two positive charges
Rhea, one of Saturn's moons, has a radius of 765 km and an acceleration due to gravity of 0.278 m/s2 at its surface. Calculate its mass and average density.
You have 2 capacitors plus 1 resistor all hooked up in series. The value of R= 15 ohms and C1=C2= 1uf. Find the time constant T(tau)=RC
The magnetic field in an electromagnetic wave has a peak value given by B = 5.0?T. For this wave, find the peak electric field strength
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