
Question 6 (1 point) The total mass of Bob and his bicycle is 79.3 kg. Bob...
Question 51 point) An airplane, with the mass of 6,641 kg, is about to take off. It taxis 2.18 km [E], then 1.83 km , then 4.88 km [W] on the runway before it takes off. From the beginning of taxiing it takes 45.7 min until the airplane takes off. What is the average speed of the airplane in km/h? Enter your answer up to 5 decimal places. Do not enter units. Your Answer: Answer Question 6 (1 point) The...
Bob is riding his bicycle at a speed of 1.02 m/s when he decides to go faster. He accelerates at a rate of 0.85 m/s2 for 1.86 s. How far does he travel during this time? Give your answer in meters. Enter your answer up to 5 decimal places.
Bob starts riding his bicycle from a stopped position. When he starts pedaling, the net force on the bicycle is 37.2 N. The mass of Bob and his bike is 72.63 kg. What is his speed 12.1 s later? Give your answer in m/s. Enter your answer up to 5 decimal places. Do not enter units.
A 151-kg black bear is running through the woods at a speed of 13.11 m/s. The bear slows to a speed of 8.01 m/s in 57.6 s. How far does the bear travel during this time? Give your answer in metres.
Question 2 (1 point) Bob drives his car 145.00 km [N], then he stops to get gas. Then he drives his car 101.00 km (E), and stops to eat doughnuts. The he drives his car 239.00 km [S], and his journey ends. Bob's trip is completed in a time of 10.6 hours. The mass of his car is 1,673 kg. What is Bob's average speed in km/h? Enter your answer up to 5 decimal places. Do not enter units. Your...
A person riding a bicycle on level ground at a speed of 11 m/s throws a baseball forward at a speed of 16 m/s relative to the bicycle at angle of 35° above the horizontal (x) direction. Ignore air drag. (a) If the ball is released from a height of 2.2 m, how far does the ball travel horizontally, as measured from the spot where it is released? (b) How far apart are the bicycle and the ball when the ball lands?
Bob is sitting in his car at a red light. The car is not moving. When the light turns green, he takes his foot off the brake and the net force on the car becomes 3,920.4 N. What is his speed 3.29 s later? The mass of his car is 1,649 kg. Give your answer in m/s.
Tallula is driving her truck at a speed of 28.2 m/s. She applies the brakes and slo to a speed of 12.6 m/s in 35.3 s. The mass of her truck is 2361 kg. How far does she travel during this time? Give your answer in metres. 9877 456.8 03492 720.1
Bob, who has a mass of 71 kg , can throw a 480 g rock with a speed of 31 m/s . The distance through which his hand moves as he accelerates the rock forward from rest until he releases it is 1.0 m. a. What constant force must Bob exert on the rock to throw it with this speed? b. If Bob is standing on frictionless ice, what is his recoil speed after releasing the rock?
Bob, who has a mass of 78 kg , can throw a 470 g rock with a speed of 33 m/s . The distance through which his hand moves as he accelerates the rock forward from rest until he releases it is 1.0 m. a) What constant force must Bob exert on the rock to throw it with this speed? b) If Bob is standing on frictionless ice, what is his recoil speed after releasing the rock?