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Vector V1 is 8.50 units long and points along the negative x axis. Vector V2 is 6.50 units long and points at +56.0° to the +x axis. Vector V3 is 3.70 units long and points at +35.0° counter
Discuss all the symptoms the victim would show. Would the victim die, or would the scientist have to go back to the laboratory to invent a more effective death-ray?
A uniform liner charge density of 4.0 nC/m is distributed along the entire x axis. Consider spherical (radius = 5.0 cm) surface centered on origin. Determine the electric flux through this surface.
A ladder 6.05 m long leans against the side of a building. If the ladder is inclined at an angle of 68.0° to the horizontal, what is the horizontal distance from the bottom of the ladder to the
A raft is made of 13 logs lashed together. Each is 37 cm in diameter and has a length of 5.6 m. How many people can the raft hold before they start getting their feet wet, assuming the average perso
A cable, a distance L=5.7 m up a frictionless ramp, to height of 2.5 m, where it stops. Determine the work done on the crate by its weight during the lift.
A 3.5 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 17.4 N. Find the speed of the block after it has moved 5 m.
A 1.0 kg block is attached to a spring with spring constant 15.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50.0 cm/s. W
A tank having a volume of 0.100 m3 contains helium gas at 165 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.35 atm?
What are the following values about the central axis at the instant the torque has been applied for 195 ms? (a) the angular momentum of the disk.
A 75.0 kg person consumes a small order of French fries (250.0 cal) and wishing to "work off" by climbing a 10.0 m stairway. How many vertical climbs are needed to use all the energy?
Three equal 1.30-mu C point charges are placed at the corners of an equilateral triangle whose sides are 0.700 m long. What is the potential energy of the system? (Take as zero the potential energy
A friend has journeyed to the mountain foothills to escape the effects of radioactivity altogether. while bathing in the warmth of a natural hot spring she wonders aloud how the spring gets heat. wh
A 41.0-kg child swings in a swing supported by two chains, each 3.10 m long. The tension in each chain at the lowest point is 352 N. Find the child's speed at the lowest point.
What is the tension of the rope if the box is at rest? the box moves at a steady vx=5.20m/s? the box vx=5.20 and ax=4.00m/s^2?
An 8.00 point mass and a 15.0 point mass are held in place 50.0 apart. A particle of mass is released from a point between the two masses 13.0 from the 8.00 mass along the line connecting the two f
A conducting rod slides at 4.0 m/s on metal rails separated by 2.0 m. If a current of 40 mA is generated in the circuit with resistance of 0.36 W, what is the magnetic field between the rails?
If the vertical component of Earth's magnetic field is 5.0 10-5 T, what is the emf induced between the blade tip and the central hub?
The gondola ski lift at Keystone, Colorado, is 2830 m long. On average, the ski lift rises 14.6o above the horizontal. How high is the top of the ski lift relative to the base?
A punter kicks a football with an initial velocity of 25 m/s at an angle of 60 degrees above the ground. what is the hang time of the football?
if the theremometar is then immersed in a sample of water of a mass 119 celsius and the combination reaches the final tempeture of 41.5 celsius, what was the initial tempeture of the water?
A small steel ball bearing with a mass of 29.0 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.33 m. Calculate the hori
A 4.20 kg steel ball strikes a wall with a speed of 7.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.200
You send a laser beam toward Earth traveling at velocity c relative to you. What do observers on the Earth measure for the speed of the laser beam?
How do I calculate the resonance frequency for a physics lab given that the L=.084Hz, C=.0015*10^-6F and that the total resistance in the circuit is 2434ohms?