A tennis player serves a ball horizontally, giving it a speed of 24 m/s from a...
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A tennis player serves a ball horizontally, giving it a speed of 24 m/s from a height of 2.5m. The player is 12m from the net. The top of the net is 0.90m above the court surface. The ball clears the net and lands on the other side. Air resistance is negligible.. a. For how long is the ball airborne? (2 marks) b. What is the ball's horizontal displacement? (2 marks) c. What are the x- and y-components of the ball's velocity when it impacts the court surface? (3 marks) SHOW YOUR WORK Ernie is pumped now that he has a driver's licence. He can't wait to drive his own car so he decides to buy his own. He is super excited that "Shad's Shady Salvaged Automobiles" has found the perfect car to meet his student budget; a "gently" used Lada straight from the Eastern bloc! Oops! Ernie should have spent the cash on physics textbooks instead of a rust bucket. If the tow truck is pulling Ernie and his Lada with a force of 3480 N at a 42.0 angle at a constant speed, what is the coefficient of kinetic friction between the tires of Ernie's Lada and the asphalt of the street? (The combined mass of Ernie and the car is 1814 kg). "Tow-karev's Tension-Force Towing service" A tennis player serves a ball horizontally, giving it a speed of 24 m/s from a height of 2.5m. The player is 12m from the net. The top of the net is 0.90m above the court surface. The ball clears the net and lands on the other side. Air resistance is negligible.. a. For how long is the ball airborne? (2 marks) b. What is the ball's horizontal displacement? (2 marks) c. What are the x- and y-components of the ball's velocity when it impacts the court surface? (3 marks) SHOW YOUR WORK Ernie is pumped now that he has a driver's licence. He can't wait to drive his own car so he decides to buy his own. He is super excited that "Shad's Shady Salvaged Automobiles" has found the perfect car to meet his student budget; a "gently" used Lada straight from the Eastern bloc! Oops! Ernie should have spent the cash on physics textbooks instead of a rust bucket. If the tow truck is pulling Ernie and his Lada with a force of 3480 N at a 42.0 angle at a constant speed, what is the coefficient of kinetic friction between the tires of Ernie's Lada and the asphalt of the street? (The combined mass of Ernie and the car is 1814 kg). "Tow-karev's Tension-Force Towing service"
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