A tourist being chased by an angry bear is running in a straight line toward his...
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.35 m/s. The car is a distance d away. The bear is 30.7 m behind the tourist and running at 9.59 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
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A tourist being chased by an angry bear is running in a straight
line toward his...
A tourist being chased by an angry bear is running in a straight line toward his...
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.8 m/s. The car is a distance d away. The bear is 22 m behind the tourist and running at 6.3 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
The graph above shows the speed of a car traveling in a straight line as a...
The graph above shows the speed of a car traveling in a straight
line as a function of time. At t=0 s the speed of the car is 2.00
m/s. it accelerates uniformly and reaches a speed of 6.20 m/s in
8.00 s. Calculate the distance traveled by the car from a time of
2.40 to 7.20 s.
A basketball player is running at 4.3 m/s toward the basket when he jumps into the...
A basketball player is running at 4.3 m/s toward the basket when he jumps into the air to dunk the ball. he maintains the same horizontal velocity while in the air. What vertical velocity does he need to rise 0.750 m above the floor in m/s? And at what horizontal distance from the basket, in meters, must he start his jump to reach his maximum height at the same time as he reaches the basket in m?
A baseball player is running at 4.45 m/s toward the basket when he jumps into the...
A baseball player is running at 4.45 m/s toward the basket when he jumps into the air to dunk the ball. He maintains the same horizontal velocity while in the air. (a) What vertical velocity does he need to rise 0.750 m above the floor in m/s? Nu_0y = At what horizontal distance from the basket, in meters, must he start his jump to reach his maximum height at the same time as he reaches the basket in m?
During a baseball game, an outfielder is running in a straight line to catch a batted...
During a baseball game, an outfielder is running in a straight line to catch a batted ball. The ball has been batted with initial speed 31 m/s at an angle of 65◦ with the horizontal. The outfielder is originally 40 m away from the batter along the same direction the ball is batted, and starts running the same moment the ball is batted. At what speed does he need to run to catch the ball as it lands?5
An 87-kg running back leaps straight ahead toward the end zone with a speed of 6.2...
An 87-kg running back leaps straight ahead toward the end zone with a speed of 6.2 m/s. A 115-kg linebacker, keeping his feet on the ground, catches the running back and applies a force of 818 N in the opposite direction for 0.71 s before the running back's feet touch the ground. (a) What is the impulse that the linebacker imparts to the running back? magnitude_____ direction______(in the direction of the running back's initial motion or in the direction of...
A passenger is running at his maximum velocity of 8 m/s to catch a train. When...
A passenger is running at his maximum velocity of 8 m/s to catch a train. When he is a distance d from the nearest entry to the train, the train starts from rest with a constant acceleration a= 1.0 m/s^2 away from him. a. If d= 30 m and the passenger keeps running, will he be able to jump on the train? b. What is the critical separation d_c such that the passenger just catches the train? c. What is...
1. A baseball is hit so that it travels straight upward after being struck by the...
1. A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. (b) Find the height it reaches. 2. The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.40 m/s2 for 4.30 s, making straight skid marks 64.6...
4. Encouraged by the success that they had with running down the mayor and other humans...
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
(ms) 20 8.00 4.00 O 2.00 400 600 800 10.0 12.0 You are running in a straight line to the east. Th...
Help with this
(ms) 20 8.00 4.00 O 2.00 400 600 800 10.0 12.0 You are running in a straight line to the east. The graph above shows your velocity as a function of time a) Sketch the position versus time graph. b) Sketch the acceleration versus time graph c) What is the total distance trateled during this period? d) What is your average velocity (not speed) during this period? You do not need to reduce any fractions. e) Following...
A baseball player is running at 4.45 m/s toward the basket when he jumps into the air to dunk the ball. He maintains the same horizontal velocity while in the air. (a) What vertical velocity does he need to rise 0.750 m above the floor in m/s? Nu_0y = At what horizontal distance from the basket, in meters, must he start his jump to reach his maximum height at the same time as he reaches the basket in m?
4. Encouraged by the success that they had with running down the mayor and other humans who were pestering their friend Phil the groundhog, the squirrels have realized that they can use their flywheel powered car to protect themselves from some dogs that have been chasing them around the park. The squirrels are sitting on their car one day, when a really furry Sheepdog named "Sir Fluffs-a-lot" sees them. Sir Fluffs-a-lot is 50 meters away, and starts running towards the...
Help with this
(ms) 20 8.00 4.00 O 2.00 400 600 800 10.0 12.0 You are running in a straight line to the east. The graph above shows your velocity as a function of time a) Sketch the position versus time graph. b) Sketch the acceleration versus time graph c) What is the total distance trateled during this period? d) What is your average velocity (not speed) during this period? You do not need to reduce any fractions. e) Following...
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