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018 (part 1 of 2) 10.0 points A 1.01 × 10° kg car accelerates uniformly from...
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in...
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in hor- izontal flight. The engine takes in air at a rate of 39.3 kg/s and burns fuel at a rate of 1.37 kg/s. The exhaust gases are ejected at 441 m/s relative to the aircraft. Find the thrust of the jet engine. Answer in units of N. 019 (part 2 of 2) 10.0 points Find the delivered power. Answer in units of W.
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s2. The acceleration...
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 points If the same elevator accelerates downwards with an acceleration of 1.2 m/s, what is the upward force exerted by the elevator floor on the passenger? Answer in units of
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s The acceleration...
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 point:s If the same elevator accelerates downwards with an acceleration of 1.2 m/s2, what is the upward force exerted by the elevator floor on the passenger? Answer in units of N
Can someone please help me with 18 and 19 at the bottom of the hill? Answer...
Can someone please help me with 18 and 19
at the bottom of the hill? Answer in units of m/s 017 10.0 points A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 2.1 m/s. The acceleration of gravity is 9.81 m/s2 What is the initial height of the bob? Answer in units of m. m. 018 (part 1 of 2) 10.0 points he rope A 1.74x...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 14.9 m/s...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 14.9 m/s in 11.5 s. The diameter of a tire is 71.3 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev.
answer 1 2 and 3 001 10.0 points A car accelerates uniformly from rest and reaches...
answer 1 2 and 3
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 17.4 m/s in 14.1 s. The diameter of a tire is 85.4 cm Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 4.5 π rad/s. Dur- ing a 4.6 s interval, she slowly pulls her...
Need help with #20. 018 (part 1 of 3) 10.0 points A 3 kg object oscillates...
Need help with #20.
018 (part 1 of 3) 10.0 points A 3 kg object oscillates with an initial ampli- tude of 469 cm on a spring of force constant 760.6 N/m. Find the period. Answer in units of s. 019 (part 2 of 3) 10.0 points Find the total energy. Answer in units of J. 020 (part 3 of 3) 10.0 points 27 Wom If Q = 7 7AE) m , and the en- LE ) cycle ergy decreases...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 25.5 m/s...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 25.5 m/s in 8.7 s. The diameter of a tire is 83.6 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 3.6 π rad/s. Dur- ing a 5.0 s interval, she slowly pulls her arms inward and finally spins...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 15.6 m/s...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 15.6 m/s in 4.5 s. The diameter of a tire is 35.6 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 4.2 π rad/s. Dur- ing a 4.6 s interval, she slowly pulls her arms inward and finally spins...
A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 15.2 m/s in 12.7...
A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 15.2 m/s in 12.7 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. hp (b) Find the instantaneous power output of the engine at t = 12.7 s, just before the car stops accelerating. hp
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in hor- izontal flight. The engine takes in air at a rate of 39.3 kg/s and burns fuel at a rate of 1.37 kg/s. The exhaust gases are ejected at 441 m/s relative to the aircraft. Find the thrust of the jet engine. Answer in units of N. 019 (part 2 of 2) 10.0 points Find the delivered power. Answer in units of W.
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 points If the same elevator accelerates downwards with an acceleration of 1.2 m/s, what is the upward force exerted by the elevator floor on the passenger? Answer in units of
018 (part 1 of 2) 10.0 points An elevator accelerates upward at 1.2 m/s The acceleration of gravity is 9.8 m/s What is the upward force exerted by the floor of the elevator on a(n) 92 kg passenger? Answer in units of N 019 (part 2 of 2) 10.0 point:s If the same elevator accelerates downwards with an acceleration of 1.2 m/s2, what is the upward force exerted by the elevator floor on the passenger? Answer in units of N
Can someone please help me with 18 and 19
at the bottom of the hill? Answer in units of m/s 017 10.0 points A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 2.1 m/s. The acceleration of gravity is 9.81 m/s2 What is the initial height of the bob? Answer in units of m. m. 018 (part 1 of 2) 10.0 points he rope A 1.74x...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 14.9 m/s in 11.5 s. The diameter of a tire is 71.3 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev.
answer 1 2 and 3
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 17.4 m/s in 14.1 s. The diameter of a tire is 85.4 cm Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 4.5 π rad/s. Dur- ing a 4.6 s interval, she slowly pulls her...
Need help with #20.
018 (part 1 of 3) 10.0 points A 3 kg object oscillates with an initial ampli- tude of 469 cm on a spring of force constant 760.6 N/m. Find the period. Answer in units of s. 019 (part 2 of 3) 10.0 points Find the total energy. Answer in units of J. 020 (part 3 of 3) 10.0 points 27 Wom If Q = 7 7AE) m , and the en- LE ) cycle ergy decreases...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 25.5 m/s in 8.7 s. The diameter of a tire is 83.6 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 3.6 π rad/s. Dur- ing a 5.0 s interval, she slowly pulls her arms inward and finally spins...
001 10.0 points A car accelerates uniformly from rest and reaches a speed of 15.6 m/s in 4.5 s. The diameter of a tire is 35.6 cm. Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev. 002 10.0 points A figure skater begins spinning counterclock- wise at an angular speed of 4.2 π rad/s. Dur- ing a 4.6 s interval, she slowly pulls her arms inward and finally spins...
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