A bus accelerates with an initial velocity of 10 m/s for 5s then 20m/s for 4s finally for 15 m/s for 8s. What is the average acceleration of the bus?

Q: A MATH 151 student, standing on the ground, gets very frustrated and chunks a TI-84 calculator (that…

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Q: v (m/s) 4 2 2 3 t(s)

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Q: An object moves along the positive x-axis with a speed of V, =9 m/s for 2 seconds, then moves along…

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Q: The DR Horton Tower in Fort Worth is 400 m tall. Joe wants to set the world’s stair climbing record…

A: The expression from kinematics,

Q: A car starts from 2.0 m/s and accelerates at 4.0 m/s2 for 6.0 s, it then coasts for 5.0 s. How far…

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Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of -5.0…

A: initial speed of the car(u) = 20 msFinal speed of the car (v) = 0 msAcceleration (a) = - 5 ms2

Q: A car starts moving at 60 mi/hr. After some time, the car speed reduces to 40 mi/hr and stays there…

A: Let's denote the time the car moved at 60 mi/hr as t (in hours). Then, the time the car moved at 40…

Q: An object is thrown straight up with an initial velocity of 16 m/s. a) How high does it go in…

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Q: Q1:: A man shot a bullet vertically to the sky with an initial velocity of 500 m/sec. determine the…

A: The initial velocity of the bullet is 500 m/s.  To determine: The maximum height of the bullet and…

Q: 1.) What is the total displacement of the jogger from t = 0 tot= 0.6 hours? 2.) What is average…

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Q: While driving south on hwy 400, Jim gets stuck travelling at 1.9 m/s behind a slow truck. He finally…

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Q: A car accelerates from rest at 2.5 m/s2, travels with a constant velocity of 90 km/h and then…

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Q: While entering a freeway, a car accelerates from rest at a rate of 2.81 m/s² of the situation and…

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Q: A car starts from 2.0 m/s and accelerates at 4.0 m/s2 for 6.0 s, it then coasts for 5.0 s. How far…

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Q: A rocket sled accelerates at 27.1 m/s2 for 3.9 s. How far has it traveled from its initial position…

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Q: After accelerating up to a speed of 20 m/s on his bike, Jim coasts (stops pedaling). Due to air drag…

A: Initial speed (u) = 20 m/s final speed (v) = 16 m/s t = 10 seconds

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 174 m/s to the east.…

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Q: You have already traveled 30 miles east and then 30 miles north. To get back to the start, you…

A: Given: 30 mile east  30 mile North  Get back to the start you travel 30 miles west  t1 = 1 hour…

Q: At t=0, a particle starts with an initial velocity of 10 i m/s and accelerates uniformly at (-2.0 i…

A: Given initial speed (u)=10 m/s Acceleration (a)=(-2.0 i +4.0 j) m/s2 Required speed at t=5 s

Q: Walk along a long straight level path in the woods you go 30 m in 6.2 s, stop for 32 s, and then…

A: Given Data : The initial distance travelled in the woods is given as d1 = 30 m. The time taken to…

Q: a car has an acceleration of 4m/s2. Explain what this mean.

A: Given :  Acceleration of the car, a = 4 m/s2 Required : Meaning of acceleration of the car.

Q: Q2: A train travels from station (A) to station (B) and back to the station (A) in 1 hour and 45…

A: The total distance covered =80 miles=128.748Km Total displacement =0 m=0 km (the train after a round…

Q: Initially, an automobile is heading due north at a speed of 28m/s. What is the car's velocity after…

A: Given : vo = 28 m/s t = 6 seconds a = 4 m/s2

Q: An object's velocity is ū = (1.0)t²î + 3.0m§. What is the object's acceleration at t=2.0s?

A: Given: An object with velocity V=(1.0ms3)t2i^+3.0msj^ Acceleration a=dvdt…

Q: Julie drives 91 mi to Grandmother's house. On the way to Grandmother's house, Julie drives half the…

A: Average speed is, vavg=total distancetotal time Total distance traveled by Julie on the way to…

Q: 8. A drag car starts from rest and accelerates at a rate of 10.0-m/s? for a distance of 400-m (~1/4…

A: Given :            Initial velocity u = 0            Distance s = 400 m            Acceleration a =…

Q: Q 10. A car travels 15 km in 1 hour, what is its average velocity. A. 10 m/sec B - 4.16 m/sec C- 2…

A: Given , total displacement by the car (s) = 15 km And total time taken (t) = 1 hour Please go…

Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: Given : Distance traveled south = 40 km Distance traveled back north = 15 km Total distance traveled…

Q: A car covers a distance of 160 km between two cities in 4 h. What is the average speed of the car ?

A: Given  Distance covered by car between two cities  (d) = 160 km    Time taken (t) = 4 h  Average…

Q: A woman backs her van out of her parking space with a constant acceleration of 1.8 m/s2. Assume that…

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Q: A car traveling 89 km/h strikes a tree. The front end of the car compresses and the driver comes to…

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