A rocket powered sled accelerates a jet pilot in training from rest to 270 km/h in in 21.2 s. find: (a) the average acceleration of the sled (2 marks) (b) the time it takes to reach the speed limit on the highway, 100 km/h (2 marks) (c) the distance travelled over 21.2 seconds (2 marks)
Q: If a bus travelling at 48 m/s is subjected to a steady deceleration of 5 m/s², how long will it take…
A: Given data : Deceleration = a Final velocity =…
Q: ) A bockey puck initially travelling to the right at 34 m/s is slowed down by rough ice at a rate of…
A: Initial velocity of puck (u) = 34 m/s (towards right) Acceleration (a) due to rough ice = - 2…
Q: motorcycle started from rest is moving at a constant acceleration of 10 m/s^2 for 10 s. What is the…
A: Given initial speed (u)=0 acceleration(a)=10 ms-2 time taken(t)=10 s Required total displacement…
Q: What is the shortest time a bus can travel the distance between stations if the maximum permitted…
A: Maximum speed (v) = 30 kmhr= 518×30 ms= 8.33 msMagnitude of maximum acceleration or deacceleration =…
Q: In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed…
A:
Q: A cart is given an initial velocity of 9.5 m/s and experiences a constant acceleration of 1.2 m/s?.…
A:
Q: A space vehicle accelerates smoothly (const. acceleration) from 55.0 m/s at t = 0 to 359 m/s at t =…
A:
Q: A car stars from rest and has a constant acceleration of 3 ft/s?. Find the average velocity during…
A: vi = 0 ft/s a = 3 ft/s2 t = 10 s vavg = ?
Q: A train approaches a small town with a constant velocity of +28.6 m/s. The operator applies the…
A:
Q: A car is travelling at a constant speed of 100 km.hr at NLEX when the driver noticed that the bridge…
A: The third kinematic equation relates final velocity, initial velocity , acceleration and net…
Q: During the 1988 Winter Olympics in Calgary, Alberta the brakeman of a two-man bobsled team slows the…
A: Given data: Initial velocity (u) = 24.8 m/s Final velocity (v) = 12.2 m/s Time (t) = 1.4 s…
Q: If a bus travelling at 38 m/s is subjected to a steady deceleration of 6 m/s2, how long will it take…
A: We know thatv=u+atWherev=final velocityu=initial velocitya=accelerationt=time taken
Q: Two objects are traveling on the same track. For 10 s, Object X has an average acceleration of 3.0…
A: Given data The average acceleration of the object X is a x = 3 m/s2 The initial velocity of the…
Q: A car moving with uniform acceleration covers T 450 meter in first 5 second interval and covers 700…
A:
Q: A car is moving with uniform acceleration covers 450m in a 5 second interval and further it covers…
A:
Q: If a car running at a speed of 72 km/h stopped five seconds after braking at the red light of the…
A:
Q: The velocity of an automobile starting from rest is given by ds 90t dt t + 10 Where distance is in…
A:
Q: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10×104…
A: acceleration, a = - 2.1 × 104 m/s2 Time, t = 1.85 ms final velocity, v = 0 m/s
Q: An object with an initial speed of 12 m / s in the west direction is subjected to a constant…
A:
Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…
A:
Q: What is the average acceleration of an airplane in a runway that accelerates from rest to 750 km/h…
A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 750 km/h Time (t) = 2.2 minutes…
Q: If a car travelling at 64 m/s is subjected to a steady deceleration of 16 m/s², how long will it…
A:
Q: If a car travelling at 44 m/s is subjected to a steady deceleration of 6 m/s², how long will it take…
A:
Q: The speedboat in the figure has a constant acceleration of 5.54 m/s/s. If the initial velocity of…
A:
Q: If a bus travelling at 18 m/s is subjected to a steady deceleration of 3 m/s?, how long will it take…
A: Given data :- initial velocity u = 18 m/s final velocity v = 0 m/s deceleration a = -3 m/s2
Q: A car, initially at rest, travels 72 m in 9s along a straight line with constant acceleration The…
A:
Q: A train traveling initially at 16 m/s undergoes a constant acceleration of 2 m/s² in the same…
A:
Q: If a bus travelling at 24 m/s is subjected to a steady deceleration of 6 m/s2, how long will it take…
A: Given data : Final velocity = v Deceleration = a Initial velocity = u To find…
Q: Motion of a particle is defined by the relation x = t4 -10t2 + 8t +12, where x and t are expressed…
A: Given relation--- x = t4 - 10 t2 + 8t + 12 . We have to find--- at what value of t , acceleration…
Q: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10×104 m/s2…
A: The ball’s deceleration is, The time interval of the ball is, In the last, the ball stops, so the…
Q: If a bus travelling at 16 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…
A: Given data : Final velocity = v Initial velocity =…
Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…
A:
Q: If a cyclist finished a 100 km leg of the Tour de France in 3 hours, what was the cyclist's average…
A: Required : Average velocity.
Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s? .How long will it take…
A: Given that The bus is traveling at(v)= 21m/s and which is subjected to a…
Q: A Jeep starts from rest and accelerates uniformly over a time of 7.7 s for a distance of 8.1 m.…
A: Answer:- (d) 0.27 m/s2 Given Initial velocity of a jeep(u) = 0 m/s Time (t) = 7.7 s Distance…
Q: A train starts from rest and accelerates uniformly to achieve a velocity of 20 m per sec in 10 sec.…
A: Given,
Q: If a bus travelling at 24 m/s is subjected to a steady deceleration of 2 m/s?, how long will it take…
A: Given: Intial Speed (u) = 24 m/s Acceleration (a) = - 2 m/s2 Final speed (V) = 0 m/s ....(rest)…
Q: A downhill skier reaches the steepest part of a trail. If her speed at the bottom of the hill is 18…
A: Kinematic equations of motion are- 1) v=u+at2) s=ut+12at23) v2=u2+2as where,u is initial velocityv…
Q: If a bus travelling at 25 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…
A: Introduction : In this question we are provided it value of initial velocity , final velocity and…
Q: The electric train in Addis Ababa is designed to operate at à limiting acceleration and declaration…
A: Answer 42.4096 second
Q: A car starts from rest and reaches a speed of 48 m/s in 15 sec. The acceleration increases from zero…
A: Given: At t = 0 sec, v = 0 m/sec At t = 15 sec, v = 48 m/sec Constantly increasing acceleration for…
Q: An object initially moving with a velocity of 7.00 m/s west accelerates at a rate of 2.10 m/s? east…
A:
Q: If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s, how long will it take…
A:
Q: An object has an initial velocity of 19 m/s and a constant acceleration of 4.1 m/s ^ 2 . How long…
A: Given data: Initial velocity (Vi) = 19 m/s Acceleration (a) = 4.1 m/s2 Final velocity (Vf) = 3Vi…
Q: It takes a race car 2.2 s to reach a speed of 100 km/h from rest, what is its average acceleration…
A:
Q: An object has an initial velocity of v0x = 5.4 m/s, v0y = −4.8 m/s and a constant acceleration of ax…
A:
Q: If a car travelling at 34 m/s is subjected to a steady deceleration of 4 m/s?, how long will it take…
A:
Here is the question
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A high-performance sports car can go from 0 to 100 mph in 7.0 s. (Assume the car travels in the positive direction. Indicate the direction with the sign of your answer.) (a) What is the car's average acceleration (in SI units; meter-kilogram-second)?(b) The same car can come to a complete stop from 31 m/s in 3.9 s. What is its average acceleration?Sleds propelled by rockets are used to study how humans react to sudden acceleration. If a rocket-powered sled accelerates to a speed of 442.82 m/s in 1.71 seconds, what is the sled's acceleration (measured in meters per second squared)? Only the final answer, stated to three decimal places, should be rounded off.After robbing a bank in Dodge City, a robber gallops off at 14 m(i)/(h). 10 minutes later, the marshall leaves to pursue the robber at 16 m(i)/(h). How long (in hours ) does it take the marshall to catch up to the robber? Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
- The correct conversion of speed limit of 65 mi/h in terms of SI unit is 1.609 km) (Given 1 mile = Oa 16.67 m/s O b. 18.06 m/s Oc 29.05 m/s Od. 234 m/sThe stopping distance for an automobile (after applying the brakes) is approximately F(s) = 1.1s + 0.054s? ft, where s is the speed in mph. Use the Linear Approximation to estimate the change in stopping distance per additional mph when s = 35. (Use decimal notation. Give your answer to two decimal places.) AF = ft Use the Linear Approximation to estimate the change in stopping distance per additional mph when s= 55. (Use decimal notation. Give your answer to two decimal places.)(Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number- Please write your numerical answer WIER scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible- You will not be punished for doing not requ this.) QUESTION 13 A bicyclist starts a timed race at 6.0 mi/h. In order to win, he must average 21 mi/h. Assuming constant acceleration from the start, how fast must he be traveling at the end of the race? O A 24 mi/h O B. 30 mi/h OC 36 mi/h O D. 42 mi/h JESTION 14 -ton truck collides with a 1500-1b car. Which of the following statements must be true? The truck did not slow down during the collision, but the car did. During the collision, the magnitude of the force on the truck is smaller than the magnitude of the force on the car. uring the collision, the magnitude of the force on the truck is equal to the magnitude of the force on the car. ed Submit to save and…
- (d) Write the equations for the position of the stone with time, using the coordinates in the figure. (Use the following as necessary: t. Let the variable t be measured in seconds. Do not state units in your answer.) x = y = (e) How long after being released does the stone strike the beach below the cliff?s (f) With what speed and angle of impact does the stone land? vf = m/s ? = ° below the horizontalCaleb left home and traveled toward the city A at an average speed of 57.9 km/h. Some time later, Kim left traveling in the opposite direction with an average speed of 46 km/h. After Caleb has traveled for 1.24 hours they were 117 km apart. Find the number of minutes Kim traveled. Round off only on the final answer expressed in three decimal places. PLEASE SHOW YOUR COMPLETE AND CORRECT SOLUTION. ASAP! Thank you.An automobile's velocity starting from rest is given by the equation below, where v is measured in feet per second. (Round your answers to three decimal places.) 95t 7t + 14 v(t) = (a) Find the acceleration at 5 seconds. 9.693 X ft/sec² (b) Find the acceleration at 10 seconds. ft/sec² (c) Find the acceleration at 20 seconds. ft/sec² Need Help? Read It
- A runner travels 50 m over a duration of 13.3 s. She took 31 steps over the 50 m. What was her step length in m? Report to two decimal points (e.g. 1.23). You are allowed a margin of error of +/- 0.02.A car travels between city A and city B, a distance of 45miles at an average speed of 50 mph. on the return journey the average speed is 40 mph. Calculate the average speed for the total journey of city A to city B to city A.how many kilometers will you travel in a span of 2.5 h if you are going at a speed of 5.0m/s? (please solve accurate and fast and it should not be hand written) it must be typed THANK YOU!