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Question 2 10 pts A fast moving vehicle travelling at a speed of 28.1 m/s comes...
anything helps!! Question 1 5 pts Consider two cars traveling on the highway, one behind the...
anything helps!!
Question 1 5 pts Consider two cars traveling on the highway, one behind the other. They are both moving at the same initial velocity, v 29.1 m/s, with the first car a distance d in front of the second car. ("d" is the distance from the front bumper of the second car to the back bumper of the first car.) At some time the driver of the first car hits the brakes and comes to a stop with...
A driver operating a vehicle at a speed of 25.0 m/s intends to pass a second...
A driver operating a vehicle at a speed of 25.0 m/s intends to pass a second vehicle 2.00 km ahead traveling in the same direction with a speed of 30.0 m/s. The driver of the first vehicle accelerates at a uniform rate to pass the second vehicle, and does so after traveling 4.00 km. Thus, whereas the first (rear) vehicle traverses 4.00 km, the second (front) car only travels 2.00 km, when it is passed. If the driver of the...
020 (part 1 of 3) 10.0 points You are driving at the speed of 34.8 m/s...
020 (part 1 of 3) 10.0 points You are driving at the speed of 34.8 m/s (77.862 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow down with the largest deceleration possible without skid- ding. Considering an average human reaction, you press your brakes 0.576 s later. You also brake and decelerate as rapidly as possible without skidding. Assume that the coefficient of static friction is 0.722 between both...
QUESTION 5 10 points If a bullet moving with a speed of 200 m/s has a...
QUESTION 5 10 points If a bullet moving with a speed of 200 m/s has a momentum of magnitude 4.00 kg.m/s, what would the magnitude of its momentum be if it was moving with a speed of 321 m/s, in units of kg.m/s? 10 points QUESTION 6 A ball of mass 1.09 kg is moving with a speed of 14.9 m/s. What is the magnitude of the momentum of the ball, in units of kg.m/s? 10 points QUESTION 7 A...
D Question 5 4 pts A 2000 Kg car travelling East at 10 m/s collides with...
D Question 5 4 pts A 2000 Kg car travelling East at 10 m/s collides with a 1000 kg car travelling north at 15 m/s. If the cars get tangled, what is their common speed after the collision? O 8.3 m/s 2.5 m/s O 15 m/s O 10 m/s
do all please. 1. A 20 Kg cart moving at 10 m/s collides with a 10...
do
all please.
1. A 20 Kg cart moving at 10 m/s collides with a 10 Kg cart moving at 20 m/ s. The two carts stick to each other after the collision. Calculate the final speed of the carts just after the collision if () They were moving in the same direction direction (i.e. thefaster bumped the slower from behind) (ii) They were moving at 90° respect to each other. (ii) They were moving at 30° respect to each...
Please show how to work this problem Consider two cars traveling on the highway, one behind...
Please show how to work this problem
Consider two cars traveling on the highway, one behind the other. They are both moving at the same initial velocity, vi-29.1 m/s, with the first car a distance d in front of the second car. ("d" is the distance from the front bumper of the second car to the back bumper of the first car.) At some time the driver of the first car hits the brakes and comes to a stop with...
A car with a mass 1078 kg and moving at a speed 5 m/s hits a...
A car with a mass 1078 kg and moving at a speed 5 m/s hits a motionless truck of mass 2998 kg whose brake is not engaged. If the car comes to a complete stop during the collision, how fast does the truck start moving?
4. (7 pts) A car is travelling with constant speed down the highway at 33.5 m/s....
4. (7 pts) A car is travelling with constant speed down the highway at 33.5 m/s. At the instant this car passes an entrance ramp, a second car enters the highway, starting from zero at the beginning of the ramp. What constant acceleration must the second car have in order to catch the first car in 2.50 km?
A train is moving parallel and adjacent to a highway with a constant speed of 32 m/s.
A train is moving parallel and adjacent to a highway with a constant speed of 32 m/s. A car is traveling in the same direction as the train at 64 m/s. The car's horn sounds at 520 Hz and the train's whistle sounds at 320 Hz. When the car is behind the train what frequency does an occupant of the car observe for the train whistle? The speed of sound is 343 m/s. Answer in units of Hz. When the car is in...
anything helps!!
Question 1 5 pts Consider two cars traveling on the highway, one behind the other. They are both moving at the same initial velocity, v 29.1 m/s, with the first car a distance d in front of the second car. ("d" is the distance from the front bumper of the second car to the back bumper of the first car.) At some time the driver of the first car hits the brakes and comes to a stop with...
A driver operating a vehicle at a speed of 25.0 m/s intends to pass a second vehicle 2.00 km ahead traveling in the same direction with a speed of 30.0 m/s. The driver of the first vehicle accelerates at a uniform rate to pass the second vehicle, and does so after traveling 4.00 km. Thus, whereas the first (rear) vehicle traverses 4.00 km, the second (front) car only travels 2.00 km, when it is passed. If the driver of the...
020 (part 1 of 3) 10.0 points You are driving at the speed of 34.8 m/s (77.862 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow down with the largest deceleration possible without skid- ding. Considering an average human reaction, you press your brakes 0.576 s later. You also brake and decelerate as rapidly as possible without skidding. Assume that the coefficient of static friction is 0.722 between both...
QUESTION 5 10 points If a bullet moving with a speed of 200 m/s has a momentum of magnitude 4.00 kg.m/s, what would the magnitude of its momentum be if it was moving with a speed of 321 m/s, in units of kg.m/s? 10 points QUESTION 6 A ball of mass 1.09 kg is moving with a speed of 14.9 m/s. What is the magnitude of the momentum of the ball, in units of kg.m/s? 10 points QUESTION 7 A...
D Question 5 4 pts A 2000 Kg car travelling East at 10 m/s collides with a 1000 kg car travelling north at 15 m/s. If the cars get tangled, what is their common speed after the collision? O 8.3 m/s 2.5 m/s O 15 m/s O 10 m/s
do
all please.
1. A 20 Kg cart moving at 10 m/s collides with a 10 Kg cart moving at 20 m/ s. The two carts stick to each other after the collision. Calculate the final speed of the carts just after the collision if () They were moving in the same direction direction (i.e. thefaster bumped the slower from behind) (ii) They were moving at 90° respect to each other. (ii) They were moving at 30° respect to each...
Please show how to work this problem
Consider two cars traveling on the highway, one behind the other. They are both moving at the same initial velocity, vi-29.1 m/s, with the first car a distance d in front of the second car. ("d" is the distance from the front bumper of the second car to the back bumper of the first car.) At some time the driver of the first car hits the brakes and comes to a stop with...
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