Problems 10 I A sprinter starts from rest and accelerates to 10.0 m/s in a time interval of 1.00 s. Find the magnitude and direction of the runner’s average acceleration a during 2-1 Acceleration in One Dimension 2 A girl swims the length of a pool and back in 30.0 s. The pool is 20.0 m long, and the girl's speed is con- 11 this interval. (a) Compute her speed v and her average velocity v. (b) When is her acceleration not equal to zero? 3 A world champion drag racer starts from rest and ac- celerates over a quarter-mile drag strip in 5.80 s. (a) Find the racer's average velocity U, in m/s. (b) The car's speed at the end of the strip is 402 km/h (250 mi/h). Find the average acceleration ā, in stant. 12 m/s². 4 A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of de- fensive linemen. The ball carrier has an initial speed of 8.00 m/s and is stopped in a time interval of 0.200 s. Find the magnitude and direction of his aver- age acceleration. 5 A baseball player hits a line drive, Just before the ball is struck, it is moving east at a speed of 40.0 m/s (90 mi/h). Just after contact with the bat, 1.00 X 10 s later, the ball is moving west at a speed of (112 mi/h). Find the ball's averm 6 A car moves alono 13 sneed

Q: A student runs 20 feet along South. She slows down and starts to walk 30 feet North. Then returns to…

A: Distance - Distance is defined as the total length covered by the object during any time duration,…

Q: #7) Let's say the following graph represents a car's velocity as a function of time. The car starts…

A:

Q: Pls help ASAP

A: Length of the track = 100 m = 1 x 102 m Total time taken by the winner=50.9 sec Total length of the…

Q: While standing on the top of a 3.5 m tall building, you throw a marble at 7- S horizontal. Ignore…

A:

Q: Is it passible that the magnitude of the speed is also the magnitude of the velocity? Explain your…

A: Speed is a scaler quantity, Whereas velocity is a vector quantity.  we can conclude that magnitude…

Q: A typical jetliner lands at a speed of 160 miles / hr and decelerates at a rate of 10 miles / hr /…

A: Given that,The initial speed of the plane : vi = 160 (miles/hr)The deacceleration of the plane :a =…

Q: A soft tennis ball is droppped onto a hard floor from a haight of 1.25m and rebounds to a height of…

A:

Q: Almost 80% of all traffic accidents involve distracted driving. Looking at a cell phone text message…

A:

Q: MULTIPLE CHOICE Question 12 When Charlie found the Golden Ticket, he ran home to show Grandpa Joe.…

A: The acceleration of an object is calculated by using the formula a=vf-vi∆t , where vf=8.7 m/s is the…

Q: 1. A body moves along the x-axis. Its position is expressed in the given equation with respect to…

A: Position of body is a function of time, X(t) = -4t + 2t2 So,  At   t = 0 sec X(0) = -4×0 +2×02 = 0…

Q: A car is making a 12-mile trip. It travels the first 6.0 miles in 12 minutes and the last 6.0 miles…

A: Given Total distance = 12 mile Total time       = 12 minutes + 6 minutes =18 minutes

Q: I. A car is driving at 23m/s when the driver decides to pass a truck. The car speeds up to 26m/s…

A:

Q: a) Calculate the height of a cliff if it takes 2.56 s for a rock to hit the ground when it is thrown…

A:

Q: EVEL KNIEVEL IS AN AMERICAN DARE DEVIL STUNT PERFORMER THAT SPECIALIZES IN RAMP TO RAMP MOTORCUCLE…

A: u=42 msθ= 40°

Q: I Review Part A (Figure 1) shows the velocity graph of a particle moving along the z-axis. Its…

A:

Q: The three-toed sloth is the slowest moving land mammal. Assume that on the ground the sloth moves at…

A: Given: Avg. speed of the sloth =0.0428 m/s speed of tortoise=0.0515 m/s time of travel= 7.10…

Q: 1 Ваywatch A lifeguard (L) is standing on the beach when he spots a distressed surfer (S). The…

A:

Q: 7 5 R A particle starts from rest at the origin with an acceleration vector that has magnitude 4.0…

A:

Q: Save Answe A ball is thrown straight down with an initial speed of 2.5 mis from a height of 110 m.…

A:

Q: f) A corvette can accelerate during high speeds at about 2.0 m/s. At this rate bow long does it take…

A:

Q: GP A speedboat increases its speed uniformly from v, = 20.0 m/s to v,= 30.0 m/s in a distance of…

A: Given,vo = 20 m/sVf=30 m/sx= 200 m

Q: You are driving home from school steadily at 95 km/h for 120 km. t then begins to rain and you slow…

A: Given: Initial velocity, v1=95 km/h For distance, d1=120 km After rain final velocity, v2=50 km/h…

Q: At t= 0, two cars are alongside one another. One car is traveling at 20.0 m/s and is speeding up at…

A:

Q: Two particles, A and B, are moving along the x-axis. Their position versus time is given by the…

A: given,

Q: distance (m) time (sec) 0 9.1 12.8 15.7 18.1 0 29.5 59 88.5 118 A student records this distance and…

A:

Q: q2 A galah (Eolophus roseicapilla) flies 1.1 km north and then 4.3 km west, in a total time of 75…

A: Given value--- first fly = 1.1 km , North. second fly = 4.3 km , west . We have to find---…

Q: A particle travels along a straight line with a velocity of v= (12-3t^2) m/s, where t is in seconds.…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A jetliner, traveling northward, is landing with a speed of 62 m/s. Once the jet touches down, it…

A: Given, Initial speed Vi=62 m/s Final speed Vf=6.5 m/s Distance traveled S=760 m From kinematics…

Q: A biker rides east at a constant 10 mi/hr for 30 minutes, then rides west 12 miles at a constant 6…

A:

Q: Help!!

A: Average velocity = (Total displacement)/(Total time)

Q: It is late at night and your are on the road in your SUV on Interstate 80. You are moving at a speed…

A:

Q: Expert Q&A

A: Let for first 16 yards, the initial velocity be u, the final velocity be v and the acceleration be a…

Q: Marnie begins walking at 1.0 m/s, then starts running at 5.0 m/s. Her maxirmum acceleration is 2.0…

A: Given data: Initial velocity (Vi) = 1.0 m/s Final velocity (Vf) = 5.0 m/s Acceleration (a) = 2.0…

Q: Part A If the car's speed decreases at a constant rate from 76 mi/h to 50 mi/h in 3.0 s, what is the…

A:

Q: two boat is from the dock .Boat B start to sail with an acceleration of 2.788ft/s^2 towards 75…

A: two boat is from the dock .Boat B start to sail with an acceleration of 2.788ft/s^2 towards 75…

Q: For each graph of vx vs. t in the left column, choose the letter (a-i) corresponding to the…

A: There are various attributes defining motion. They are velocity, displacement, acceleration, etc. We…

Q: A particle moves along a straight path with an acceleration of a = (4/s) m/s², where s is in meters.…

A: Answer the following question is

Q: Question 34 "In addition to the time, The most relevant quantities in kinematics are" Displacement…

A: In kinematics, we deal with objects in motion. It can be constant velocity motion or it can be…