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16) Bob is on his bike and is slowing down, he is moving in the negative...
15) Mike is in his car on his cell phone (hands free of course), he says...
15) Mike is in his car on his cell phone (hands free of course), he says his acceleration is zero, what do you know about the cars motion? (Be careful, Canvas will not have the same order for the answers below!) The car can only be stopped. The car can only be moving with a constant velocity The car could be stopped or moving with a constant velocity The car is slowing down The car is speeding up The car...
4) Given the kinematic equation below solve for the acceleration à and determine the magnitude of...
4) Given the kinematic equation below solve for the acceleration à and determine the magnitude of the acceleration after time t - 3 seconds given the displacement vectors below. X=(+10 m )X + ( +7 m) =(+1 m )X+(-3 m) 5) Given the following displacement vectors and their resultant vector, determine the components that are missing. (A, B, and C.) A- ( A ) + (-8 m ) + ( 6 m )2 B = ( 10m 8+ ( B,...
The brakes are applied to a moving van, causing it to uniformly slow down. While slowing,...
The brakes are applied to a moving van, causing it to uniformly slow down. While slowing, it moves a distance of 40.0 m in 7.90 s to a final velocity of 2.00 m/s, at which point the brakes are released. (a) What was its initial speed (in m/s), just before the brakes were applied? m/s (b) What was its acceleration (in m/s2) while the brakes were applied? (Assume the initial direction of motion is the positive direction. Indicate the direction...
Daredevil Bob Schwartz jumps a number of school buses on his motorcycle. Schwartz leaves the top...
Daredevil Bob Schwartz jumps a number of school buses on his
motorcycle. Schwartz leaves the top of the 10-m high ramp at an
angle of 45 degree with a speed of 20 m/s.
a. What are Bob's initial velocities in the horizontal and
vertical direction?
b. What is Bob's initial position in the horizontal and vertical
direction?
c. What is Bob's acceleration in the horizontal and vertical
directions?
d. How long is Bob in the air?
e. How far from...
13) Mike (mMike = 100 kg) is motionless on a frictionless frozen lake with only a...
13) Mike (mMike = 100 kg) is motionless on a frictionless frozen lake with only a tool box (Mont = 20 kg), in order for Mike to get off the ice he pushes on the tool box with a force of 20 N, what is the accelerations of Mike while he is pushing and in what direction does he move? Mike Tool + X 14) If Cathy is in her car and the car experiences a constant acceleration, which statement...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
FIGURE 1.19 One of these objects is speeding up, the other slowing down, but they both...
FIGURE 1.19 One of these objects is speeding up, the other slowing down, but they both have a positive acceleration ay (a) Speeding up to the right (b) Slowing down to the left 2. Consider Figure 1.19 in the textbook. As stated in the figure, the Δ 1 min between snapshots. (Note: you will need to estimate the position values; do this with some care.) a. (15 pts) Choose the correct word (positive, negative, or zero) to describe the direction...
9, + 0.5 points SerPSET92.P.026. My Notes Ask Your Te A speedboat moving at 28.0 m/s...
9, + 0.5 points SerPSET92.P.026. My Notes Ask Your Te A speedboat moving at 28.0 m/s approaches a no-wake buoy marker 100 m ahead. The plot slows the boat with a constant acceleration of -3.8 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) What is the velocity of the boat when it reaches the buoy? m/s Submit Answer Save Progress Pacice AnothorVersion 10.-'0.5 points SeiPSE9 2 P028 WI My Notes...
5. The following graph represents the velocity of an object, moving along a horizontal line as...
5. The following graph represents the velocity of an object, moving along a horizontal line as a function of time. Express all answers to two significant figures. East is the positive direction and West is negative. (6 marks) Velocity Vs. Time 10 Velocity. (m/s) 10 12 14 -6 Time, t(s) a) Determine the acceleration of the object at 1.0s. b) Determine the average velocity of the object between 4.0 and 8.0 s. c) Over what time interval(s), if any, is...
18) A bee speeds up for 10 second as it flies, the bee's change in velocity...
18) A bee speeds up for 10 second as it flies, the bee's change in velocity is given by the velocity vectors, what is the magnitude and direction of acceleration of the bee? 7p = (+20 m/s) + (+15 m/s)9 +(-8 m/s)2 7=(+ 8 m/s)X + (+2 m/s)9 + (+5 m/s)2 19) A jet airplane (mjet -2,000 kg) slows down in three-dimensional space for 10 seconds, the jets initial and final velocities are given below, what is the magnitude of...
15) Mike is in his car on his cell phone (hands free of course), he says his acceleration is zero, what do you know about the cars motion? (Be careful, Canvas will not have the same order for the answers below!) The car can only be stopped. The car can only be moving with a constant velocity The car could be stopped or moving with a constant velocity The car is slowing down The car is speeding up The car...
4) Given the kinematic equation below solve for the acceleration à and determine the magnitude of the acceleration after time t - 3 seconds given the displacement vectors below. X=(+10 m )X + ( +7 m) =(+1 m )X+(-3 m) 5) Given the following displacement vectors and their resultant vector, determine the components that are missing. (A, B, and C.) A- ( A ) + (-8 m ) + ( 6 m )2 B = ( 10m 8+ ( B,...
Daredevil Bob Schwartz jumps a number of school buses on his
motorcycle. Schwartz leaves the top of the 10-m high ramp at an
angle of 45 degree with a speed of 20 m/s.
a. What are Bob's initial velocities in the horizontal and
vertical direction?
b. What is Bob's initial position in the horizontal and vertical
direction?
c. What is Bob's acceleration in the horizontal and vertical
directions?
d. How long is Bob in the air?
e. How far from...
13) Mike (mMike = 100 kg) is motionless on a frictionless frozen lake with only a tool box (Mont = 20 kg), in order for Mike to get off the ice he pushes on the tool box with a force of 20 N, what is the accelerations of Mike while he is pushing and in what direction does he move? Mike Tool + X 14) If Cathy is in her car and the car experiences a constant acceleration, which statement...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
FIGURE 1.19 One of these objects is speeding up, the other slowing down, but they both have a positive acceleration ay (a) Speeding up to the right (b) Slowing down to the left 2. Consider Figure 1.19 in the textbook. As stated in the figure, the Δ 1 min between snapshots. (Note: you will need to estimate the position values; do this with some care.) a. (15 pts) Choose the correct word (positive, negative, or zero) to describe the direction...
9, + 0.5 points SerPSET92.P.026. My Notes Ask Your Te A speedboat moving at 28.0 m/s approaches a no-wake buoy marker 100 m ahead. The plot slows the boat with a constant acceleration of -3.8 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) What is the velocity of the boat when it reaches the buoy? m/s Submit Answer Save Progress Pacice AnothorVersion 10.-'0.5 points SeiPSE9 2 P028 WI My Notes...
5. The following graph represents the velocity of an object, moving along a horizontal line as a function of time. Express all answers to two significant figures. East is the positive direction and West is negative. (6 marks) Velocity Vs. Time 10 Velocity. (m/s) 10 12 14 -6 Time, t(s) a) Determine the acceleration of the object at 1.0s. b) Determine the average velocity of the object between 4.0 and 8.0 s. c) Over what time interval(s), if any, is...
18) A bee speeds up for 10 second as it flies, the bee's change in velocity is given by the velocity vectors, what is the magnitude and direction of acceleration of the bee? 7p = (+20 m/s) + (+15 m/s)9 +(-8 m/s)2 7=(+ 8 m/s)X + (+2 m/s)9 + (+5 m/s)2 19) A jet airplane (mjet -2,000 kg) slows down in three-dimensional space for 10 seconds, the jets initial and final velocities are given below, what is the magnitude of...
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