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A car decelerates at 3m/s2 for 4s. How far does it take to stop if its...
3. During a very quick stop, a car decelerates at 6.2 m/s2. Assume the forward motion...
3. During a very quick stop, a car decelerates at 6.2 m/s2. Assume the forward motion of the car corresponds to a positive direction for the rotation of the tires (and that they do not slip on the pavement). a. What is the angular acceleration of its tires in rad/s2, assuming they have a radius of 0.28 m and do not slip on the pavement? b. How many revolutions do the tires make before coming to rest, given their initial...
During a very quick stop, a car decelerates at 7.8 m/s2. Assume the forward motion of...
During a very quick stop, a car
decelerates at 7.8 m/s2. Assume the forward motion of
the car corresponds to a positive direction for the rotation of the
tires (and that they do not slip on the pavement).
Randomized Variablesat = 7.8
m/s2
r = 0.29 m
ω0 = 93 rad/s
Part (a) What is the angular acceleration of
its tires in rad/s2, assuming they have a radius of 0.29
m and do not slip on the pavement?
Part (b)...
Question 10 1 pts A stone is thrown into the air so that the vertical component...
Question 10 1 pts A stone is thrown into the air so that the vertical component of the velocity is 20 m/s. It will hit the ground in 2.04s 04.08 09.85 O Insufficient information is given to answer this question. Question 11 1 pts If a car is moving with constant velocity, then we can say that: Othere is a force in the direction that the car is moving Othere are no forces acting on the car O the sum...
6. When a moving car is brought to a stop with its breaks, its acceleration vector...
6. When a moving car is brought to a stop with its breaks, its acceleration vector is A. in the same direction as its velocity B. equal to zero C. directed downward D. directed upward E. opposite to the velocity vector 7. A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45° N of W). What...
8) A particle initially at rest accelerates at 5.0 m/s2. How fast is it moving after...
8) A particle initially at rest accelerates at 5.0 m/s2. How fast is it moving after 3.2 s? How far 9) A car is moving at 12.0 m/s and then accelerates at 1.5 m/s2 for 10 seconds. What is the 10) A bal is dropped from height H and accelerates downward with acceleration g. In terms of H 11) A rock is thrown straight up in the air at 6.2 m/s and it is released 1.8 m above the ground....
6. When a moving car is brought to a stop with its breaks, its accelermation vector...
6. When a moving car is brought to a stop with its breaks, its accelermation vector is A. in the same direction as its velocity B. equal to zero C. directed downward D. directed upward E. opposite to the velocity vector 7. A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45P N of W What...
5) A car drives off a cliff with a horizontal velocity of 20 m/s and a...
5) A car drives off a cliff with a horizontal velocity of 20 m/s and a vertical velocity of 3 m/s as shown. It takes 3.5 seconds to hit the ground. How high is the cliff? How far from the edge of the cliff will the car land? him, or past him? (Neglect the guy's height.) a. b. Will it hit the guy, land in front of Use g = 10 m/s2. 3 m/s 20 m's 60 m
Since the book bag slide on the car seat, what is the coefficient of friction between...
Since the book bag slide on the car seat, what is the coefficient of friction between the book bag and the car seat. Note that this requires information from problem 8. Motion or Energy: If a ball is thrown into the air at a 30 degree angle with a total velocity of 10 m/s (vertical 5m/s, horizontal 8.66 m/s) how high will it go, how long will it take to hit the ground again and how far did it go?...
Kinematic equation 1: Vi=V; + gt Kinematic equation 2: Y=V;.t + 12 gt? Kinematic equation 3:...
Kinematic equation 1: Vi=V; + gt Kinematic equation 2: Y=V;.t + 12 gt? Kinematic equation 3: 2aY=V7-V21 22. A stone is thrown in a vertically upward direction with a velocity of Vi= 5 m/s. If the acceleration(g) of the stone during its motion is 10 m/s2 in the downward direction, A) what will be the height (Y) attained by the stone? B) how much time (t) will it take to reach there? Take g=-10 m/s2. [2] - [Hint: stone thrown...
1. A car starts from rest and travels for 8.0 s with a uniform acceleration of...
1. A car starts from rest and travels for 8.0 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. (a) How fast is the car going at the end of the braking period? (m/s) (b) How far has the car gone? (m) 2. A ball is hit with a paddle, causing it to travel straight...
3. During a very quick stop, a car decelerates at 6.2 m/s2. Assume the forward motion of the car corresponds to a positive direction for the rotation of the tires (and that they do not slip on the pavement). a. What is the angular acceleration of its tires in rad/s2, assuming they have a radius of 0.28 m and do not slip on the pavement? b. How many revolutions do the tires make before coming to rest, given their initial...
During a very quick stop, a car
decelerates at 7.8 m/s2. Assume the forward motion of
the car corresponds to a positive direction for the rotation of the
tires (and that they do not slip on the pavement).
Randomized Variablesat = 7.8
m/s2
r = 0.29 m
ω0 = 93 rad/s
Part (a) What is the angular acceleration of
its tires in rad/s2, assuming they have a radius of 0.29
m and do not slip on the pavement?
Part (b)...
Question 10 1 pts A stone is thrown into the air so that the vertical component of the velocity is 20 m/s. It will hit the ground in 2.04s 04.08 09.85 O Insufficient information is given to answer this question. Question 11 1 pts If a car is moving with constant velocity, then we can say that: Othere is a force in the direction that the car is moving Othere are no forces acting on the car O the sum...
6. When a moving car is brought to a stop with its breaks, its acceleration vector is A. in the same direction as its velocity B. equal to zero C. directed downward D. directed upward E. opposite to the velocity vector 7. A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45° N of W). What...
8) A particle initially at rest accelerates at 5.0 m/s2. How fast is it moving after 3.2 s? How far 9) A car is moving at 12.0 m/s and then accelerates at 1.5 m/s2 for 10 seconds. What is the 10) A bal is dropped from height H and accelerates downward with acceleration g. In terms of H 11) A rock is thrown straight up in the air at 6.2 m/s and it is released 1.8 m above the ground....
6. When a moving car is brought to a stop with its breaks, its accelermation vector is A. in the same direction as its velocity B. equal to zero C. directed downward D. directed upward E. opposite to the velocity vector 7. A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45P N of W What...
5) A car drives off a cliff with a horizontal velocity of 20 m/s and a vertical velocity of 3 m/s as shown. It takes 3.5 seconds to hit the ground. How high is the cliff? How far from the edge of the cliff will the car land? him, or past him? (Neglect the guy's height.) a. b. Will it hit the guy, land in front of Use g = 10 m/s2. 3 m/s 20 m's 60 m
Since the book bag slide on the car seat, what is the coefficient of friction between the book bag and the car seat. Note that this requires information from problem 8. Motion or Energy: If a ball is thrown into the air at a 30 degree angle with a total velocity of 10 m/s (vertical 5m/s, horizontal 8.66 m/s) how high will it go, how long will it take to hit the ground again and how far did it go?...
Kinematic equation 1: Vi=V; + gt Kinematic equation 2: Y=V;.t + 12 gt? Kinematic equation 3: 2aY=V7-V21 22. A stone is thrown in a vertically upward direction with a velocity of Vi= 5 m/s. If the acceleration(g) of the stone during its motion is 10 m/s2 in the downward direction, A) what will be the height (Y) attained by the stone? B) how much time (t) will it take to reach there? Take g=-10 m/s2. [2] - [Hint: stone thrown...
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