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Q1. You are driving home from school steadily at 80 for 150. It then begins to rain and you slow to 50. You arrive home after driving 3 hours and 20 minutes.
Q2. An ocean liner leaves New York City and travels 47.0° north of east for 123 km. How far east and how far north has it left? In other words, what are magnitudes of the components of the ship's displacement vector in the directions?
Two large parallel metal plates are 1.4 cm apart and have charges of equal magnitude but opposite signs on their facing surfaces. what is the electric field (in V/m) in the region between the plates
A diving board length = 5.60 that weighs 250 is supported by two pillars. One pillar is at the left end of the diving board; the other is distance = 1.65 away. Determine the magnitude of the force exerted by the left pillar while an 80.0 diver sta..
find the magnitude and direction of the impulse delivered to the ball by the floor.
A spaceship of proper length 306 m takes 0.70 µs to pass an Earth observer. find the speed of this spaceship as measured by the Earth observer.
Assume that a 7.0-cm-diameter, 50 W light bulb radiates all its energy as a single wavelength of visible light. Estimate the magnetic field strength at the surface of the bulb
If a electron after being accelerated by a potential difference of 100 V enters in a uniform magnetc field of 1T perpendicular. Calculate its radius of circular path described by it
A 137-cm-long wire is made by welding a 1.3-mm-diameter, 26-cm-long copper wire to a 0.31-mm-diameter, What is the resistance of the composite wire
A stone is thrown directly upward at 15.0 from ground level and feels no appreciable air resistance. make Use of the work-energy theorem to find how high it will be when its speed has been reduced to half of its initial value.
The femur is a bone in the leg whose minimum cross-sectional area is about 4.5 x 10-4 m2. A compression force in excess of 7.7 x 104 N will fracture this bone. Bone has a compression Young's modulus of 9.4 x 10^9 N/m2
A hot-air balloon is rising upward with a constant speed of 3.88 m/s. When the balloon is 7.87 m above the ground, How much time elapses before the compass hits the ground
A 2.50 x 10^-6 F capacitor is charged to 754V and a 6.80 x 10^-6 F capacitor is charged to 563V, Determine the potential difference across the second capacitor
a 56kg student runs at 5.0 m/s, grabs a hanging rope, and swings out over a lake (as shown). He releases the rope when his velocity is zero, draw the FBD of the student on the rope
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