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A car is driven east for a distance of 48km, then north for 32 km, and then in adirection 31°east of north for 25 km. Draw the vectordiagram and determine the total displacement of the car from itsstarting point.
On a humid day, an electric field of 2.00 * 10^4 N/C is enough to produce sparks about an inch long. Suppose that in your physics class, use Coulomb's law to calculate the electric field at the surface of the sphere
A Polonium nucleus (m1 = 210 amu) at rest emits an alpha particle (m2 = 4 amu) to the right as a result the nucleus travels to the left at 350 km/s. What is the speed of the alpha particle
A fish swimming in a horizontal plane hasvelocity vi =(4.00 i + 4.00 j) m/s at a point in the oceanwhere the position relative to a certain rock isri =(10.0 i + 4.00 j) m. After the fish swimswith constant acceleration for 21.0 s, itsvelocity is v..
A block of mass 2.7 kg being released from rest on a 1m frictionless plane, inclined at an angle of 40 degree. The block sided down the inclined and struck second block mass of 3.7 kg. If the two blocks stick together, with what speed would they move..
four long straight wires are perpendicular to the page and their cross sections form a square of edge length a 6.65
Assuming that vertical = 0 degrees, the angle of the pendulum oscillates between the maximum amplitudes: -theta max and theta max. What is the angle of the pendulum at which the gravitational potential energy is minimum
A solid sphere (M=2.0 kg and R=0.5 m) is rolling without slipping on a horizontal surface at speed vcm=4.3 m/s, How high will it go on the incline before it rolls down
One particle has a mass of 2.00 10-3 kg and a charge of +9 µC. A second particle has a mass of 5.00 10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation between..
A sealed tube (0.5 L) in volume confines two moles of an ideal gas at a pressure of 2 atm. What is the average kinetic energy of a gas molecule
The spin cycles of a washing machine have two angular speeds, 431rev/min and 622rev/min . The internal diameter of the drum is 0.440m. Find the laundry's maximum tangential speed
A radiator has an emissivity of .90 and its exposed area is 1.23 m^2. the temperature of the radiator is 100 degrees C, what is the heat flow rate from the radiator
a 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless
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