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An electric dipole has charges of 4.55pC that are separated by 6.75cm . The dipole lies on the x-axis, its positive end lies on the +x-axis, and its center is at the origin. Located at y = +4.00cm is a point charge carrying a charge of -2.85pC .
A car with mass 2000.0kg is moving from rest with acceleration 0.50m/s^2. What is its speed after 4.0s of motion? What is its kinetic energy at that instant of time
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
A roller coaster at an amusement part starts out an a level track 50.0 m long and then goes up a 25.0 m incline at an angle of 30 degrees to the horizontal. what is its displacement from the starting point
In a car collision, the driver's body must change speed from a high value to zero. This is true whether or not an airbag is used, How does it reduce injury
A block of mass 20kg is dropped into water. What force should be applied to pull it to the surface if its volume is 0.001m^3? Density of water is 1000.0kg/m^3
Find out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s2 direction 3° from the direction of velocity towards center of the circle
Physics two skaters with masses of 65 kg and 45 kg, respectively stand 8.0 m apart each holding one end of a rope. If they pull themslevles along the the rope until they meet explain how far does each skater travel?
A winch is used to drag a 300 N crate up a ramp at a constant speed of 68.0 cm/s by means of a rope that pulls parallel to the surface of the ramp. If the rope were suddenly to snap, what would be the acceleration of the crate immediately after the..
A 2.00 kg block hangs without vibrating at the end of a spring(k=500 N/m) that is attached to the ceiling of an elevator car. Thecar is rising with an upward acceleration of g/3 when theacceleration suddenly ceases (at t=0).
Refer to Interactive Solution 25.21 for help with problems like this one. How far from the wall should the mirror be located
You are driving north on 107th Avenue at a speed of 31.2 mph. At what frequency do you hear the siren
A car traveling at 30m/s overtakes another car only going 25m/s. When the faster car is still behind the slower car, it sounds a horn of frequency 1500Hz. What is the frequency heard by the driver in the slower car?
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