Question 1: A boat moves through the water with two forces acting on it. One is...
Question 1:
A boat moves through the water with two forces acting on it. One is a 1,800-N forward push by the water on the propeller, and the other is a 1,000-N resistive force due to the water around the bow.
(a) What is the acceleration of the 1,100-kg boat?
m/s 2
(b) If it starts from rest, how far will the boat move in 17.5
s?
m
(c) What will its velocity be at the end of that time?
m/s
Question 2:
A 63-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 820 N. What is the acceleration of the elevator?
Homework Answers
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Question 1:
A boat moves through the water with two forces acting on it. One
is...
A boat moves through the water with two forces acting on it. One is a 1,875-N...
A boat moves through the water with two forces acting on it. One is a 1,875-N forward push by the water on the propeller, and the other is a 1,100-N resistive force due to the water around the bow (a) what is the acceleration of the 1,300-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 15.0 (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,950-N...
A boat moves through the water with two forces acting on it. One is a 1,950-N forward push by the water on the propeller, and the other is a 1,300-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,100-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 20.0 s? m (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,500-N...
A boat moves through the water with two forces acting on it. One is a 1,500-N forward push by the water on the propeller, and the other is a 1,100-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,300-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 25.0 s? m (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,800-N...
A boat moves through the water with two forces acting on it. One is a 1,800-N forward push by the water on the propeller, and the other is a 1,200-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,300-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 22.5 s? m (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,875-N...
A boat moves through the water with two forces acting on it. One is a 1,875-N forward push by the water on the propeller, and the other is a 1,000-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,500-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 25.0 s? (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,725-N...
A boat moves through the water with two forces acting on it. One is a 1,725-N forward push by the water on the propeller, and the other is a 1,200-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,300-kg boat? Incorrect: Your answer is incorrect. m/s 2 (b) If it starts from rest, how far will the boat move in 25.0 s? Incorrect: Your answer is incorrect. m (c) What will its...
45. A boat moves through the water with two forces acting on it. One is a...
45. A boat moves through the water with two forces acting on it. One is a 2.10 x 10 N forward push by the motor, and the other is a 1.80 x 103 N resistive force due to the water. a. What is the acceleration of the 1200 kg boat? b. If it starts from rest, how far will it move in 12 s? c. What will its speed be at the end of this time
A man is standing on a scale inside an elevator. As the elevator starts to go...
A man is standing on a scale inside an elevator. As the elevator starts to go up with an acceleration a, the scale reads 832 N. The mass of the man is m = 60 kg. (a) Which of the free body diagrams below displays all the forces acting on the man with the correct relative magnitudes and directions?
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the s...
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the scale read in pounds (lb) when the elevator is not moving? elevator is moving upward with an acceleration of 3.5 m/s?? c) What does the scale read in pounds (b) when the elevator is same acceleration of 3.5 m/s??...
Two identical strings making an angle of e 30.0° with respect to the vertical support a...
Two identical strings making an angle of e 30.0° with respect to the vertical support a block of mass m-15.0 kg. What is the tension in each of the strings? 1 A 75-kg man standing on a scale in an clevator notes that as the elevator rises, the scale reads 825 N What is the acceleration of the elevator? 2. 3. A 150-N bird feeder is supported by three cables as shown in the figure. Find tension in each cable...
A boat moves through the water with two forces acting on it. One is a 1,875-N forward push by the water on the propeller, and the other is a 1,100-N resistive force due to the water around the bow (a) what is the acceleration of the 1,300-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 15.0 (c) What will its velocity be at the end of that time? m/s
A boat moves through the water with two forces acting on it. One is a 1,875-N forward push by the water on the propeller, and the other is a 1,000-N resistive force due to the water around the bow. (a) What is the acceleration of the 1,500-kg boat? m/s 2 (b) If it starts from rest, how far will the boat move in 25.0 s? (c) What will its velocity be at the end of that time? m/s
45. A boat moves through the water with two forces acting on it. One is a 2.10 x 10 N forward push by the motor, and the other is a 1.80 x 103 N resistive force due to the water. a. What is the acceleration of the 1200 kg boat? b. If it starts from rest, how far will it move in 12 s? c. What will its speed be at the end of this time
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the scale read in pounds (lb) when the elevator is not moving? elevator is moving upward with an acceleration of 3.5 m/s?? c) What does the scale read in pounds (b) when the elevator is same acceleration of 3.5 m/s??...
Two identical strings making an angle of e 30.0° with respect to the vertical support a block of mass m-15.0 kg. What is the tension in each of the strings? 1 A 75-kg man standing on a scale in an clevator notes that as the elevator rises, the scale reads 825 N What is the acceleration of the elevator? 2. 3. A 150-N bird feeder is supported by three cables as shown in the figure. Find tension in each cable...
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