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Two motorcycles are traveling due east with different velocities. However, 5.70 seconds later, they have the same velocity. During this 5.70 -second interval, motorcycle A has an average acceleration of 2.53 m/s2 due east, while motorcycle B has an average acceleration of 19.0 m/s2 due east. (a) By how much did the speeds differ at the beginning of the 5.70 -second interval, and (b) which motorcycle was moving faster?
A cylindrical copper rod of length 1.2 m and cross-sectional area 4.8 cm2 is insulated to prevent heat loss through its surface, Find the rate at which heat is transferred along the rod
It's 37 by road from town to a ski resort, What's the road's average inclination angle
A diver springs upward from a board that is 3.15 meters above the water. Determine her initial speed as she leaves the board
A pipe with a diameter of 2.88 cm is carrying 134 liters/minute of water with an overpressure (gauge pressure) of 3.65 atmospheres. Find the overpressure of the water in the pipe at the top of the building
A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 22.4° and the angle of refraction is 40.0°. What is the index of refraction of the substance
A 7.0 k resistor is in series with a 26.0-mH inductor, Calculate the impedance of the circuit for the following source frequencies
q. after the near spacecraft passed mathilde on some occasions rocket propellant was expelled to adjust the spacecrafts
Power transmission lines often use a form of electric current called alternating current, but in many regions, such as the Province of Quebec, high-voltage direct-current lines are used instead, What is the power loss due to resistance in the line
A 1.49 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. What is the tension in the lower string
A 47.3-cm diameter disk rotates with a constant angular acceleration of 2.70 rad/s2. It starts from rest at t = 0, Find the angular speed of the wheel
question two point charges are separated by 10.0 cm and have charges of 2.00 and -5.00 muc respectively. at what point
in a physics lab experiment a compressed spring launches a 26 g metal ball at a 25 degree angle. compressing the spring
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