A powerful motorcycle can produce an acceleration of 4.00 m/s2 while traveling at 90.0 km/h. At...
A powerful motorcycle can produce an acceleration of 4.00 m/s2 while traveling at 90.0 km/h. At that speed, the forces resisting motion, including friction and air resistance, total 450 N. What force (in N) does the motorcycle exert backward on the ground to produce its acceleration if its mass with rider is 250 kg?
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A powerful motorcycle can produce an acceleration of 4.00 m/s2
while traveling at 90.0 km/h. At...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
The powerful motorcycle, a chopper, in Problem 10 of Ch. 4.3 develops force, such that it...
The powerful motorcycle, a chopper, in Problem 10 of Ch. 4.3 develops force, such that it accelerates at 3.50 m/s2 at v = 90.0 km/h, as written. Familiarize yourself with the entire problem. TASKS: (1) Carefully construct a free body diagram of the chopper with horizontal AND vertical constituent forces acting on it at v = 90.0 km/h. (2) Calculate "the magnitude of the constituent force F the motorcycle exerts backward on the ground to produce its acceleration if the...
1. A pole is held vertically by attaching wires at a height of 13.4 m above...
1. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base of the pole. The pole makes a right angle with the ground. What is the length of each wire? 2. A bug crawls 2.25 m along the base of a wall. Upon reaching a corner, the bug's direction of travel changes from...
Concept Simulations 4.1 reviews the concepts that are important in this problem. The speed of a...
Concept Simulations 4.1 reviews the concepts that are important in this problem. The speed of a bobsled is increasing, because it has an acceleration of 4.20 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 595 N. The mass of the bobsled and its riders is 295 kg. (a) What is the magnitude of the force propelling the bobsled forward? (b) What is the magnitude of the net force that...
1. A train at a constant 62.0 km/h moves east for 32.0 min, then in a...
1. A train at a constant 62.0 km/h moves east for 32.0 min, then in a direction 46.0° east of due north for 29.0 min, and then west for 42.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip? 2. A cart is propelled over an XX plane with acceleration components ax 5.5 m/s2 and ay = -2.3 m/s. Its initial velocity has components vox = 9.3 m/s and voy...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average acceleration in km/h/s and m/s? 2. An object moving in the x-direction has a position described by the function x(t) - 6.30t + 8.70t2, where t is in seconds and x is in meters. What is the acceleration as a function of time? The figure shows the graph of v vs t for the motion of a motorcyle that starts from rest and moves...
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1. A car with constant acceleration of 2.3 m/s2 drives toward east (positive x-axces). (a)How much time in seconds is required for the car to change its speed from 10 m/s to 35 m/s? (b)Calculate the total distance in meters, covered during that time (c) Calculate the average speed during that time interval (d) Find x- and y- components of the vector of acceleration 2. From the top of a tower, a person drops a pebble. The peble strikes the...
help with part 5 1. A 125-kg load is lifted 12.0 m vertically with an acceleration...
help with part 5
1. A 125-kg load is lifted 12.0 m vertically with an acceleration a -0.32g by a single cable. Determine: (a) the tension in the cable, (b) the net work done on the load, (c) the work done by the cable on the load, (d) the work done by gravity on the load, and (e) the final speed of the load assuming it started from rest. 2. A 1.60-m tall person lifts a 2.10-kg book from the...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the ma...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the mass of the car is 1850kg). One person applies a force to the car, while the other applies a force of 395N. Both forces act in the same of 560N also acts on the car, but in a direction opposite force arises because of friction and the extent to which the pavement opposes Find the acceleration of the car. direction. A third force to that in...
1. A train at a constant 62.0 km/h moves east for 32.0 min, then in a direction 46.0° east of due north for 29.0 min, and then west for 42.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip? 2. A cart is propelled over an XX plane with acceleration components ax 5.5 m/s2 and ay = -2.3 m/s. Its initial velocity has components vox = 9.3 m/s and voy...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average acceleration in km/h/s and m/s? 2. An object moving in the x-direction has a position described by the function x(t) - 6.30t + 8.70t2, where t is in seconds and x is in meters. What is the acceleration as a function of time? The figure shows the graph of v vs t for the motion of a motorcyle that starts from rest and moves...
help with part 5
1. A 125-kg load is lifted 12.0 m vertically with an acceleration a -0.32g by a single cable. Determine: (a) the tension in the cable, (b) the net work done on the load, (c) the work done by the cable on the load, (d) the work done by gravity on the load, and (e) the final speed of the load assuming it started from rest. 2. A 1.60-m tall person lifts a 2.10-kg book from the...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the mass of the car is 1850kg). One person applies a force to the car, while the other applies a force of 395N. Both forces act in the same of 560N also acts on the car, but in a direction opposite force arises because of friction and the extent to which the pavement opposes Find the acceleration of the car. direction. A third force to that in...
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