6. An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10 m/s, what will be its speed 2 s later?
Q: 6. If an object's position as a function of time is given by x(t) = 3.00t?e-0.5t, what is its…
A:
Q: 5. A skier starts from rest and slides 10 m down a slope in 4 sec. In what time after starting with…
A:
Q: 70. A fugitive tries to hop on a freight train traveling at a constant speed of 5.0 m/s. Just as an…
A:
Q: 5. An object has velocity vo (t) = 3 1 + 1 j m/s at time t = 0.00 s. The acceleration of the object…
A:
Q: 7. On the moon, the acceleration due to gravity is about -5 feet per second per second (compared…
A:
Q: Figure 2 below shows the velocity of a particle as a function of time. (a) Find the acceleration for…
A:
Q: 13. When a 1984 Alfa Romeo Spider sports car accelerates in the x-direction at the maximum possible…
A:
Q: 40. An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and…
A: Given initial speed of airplane (u)=0 m/s Final speed(v)=60 m/s Time taken (t)=18 s Required Average…
Q: 1. A cyclist travels for 12 min along a straight road. During the first 3.0 min of her trip, she…
A:
Q: A car initially traveling 19 m/s then accelerates 3.5 m/s? for 5.2 s. What is the car's speed at the…
A: Given Initial speed of car u = 19 m/s Acceleration of car a = 3.5 m/s2 time during which car…
Q: Once fired, a bullet accelerates at 6.8 x 104 m/s2 through a rifle barrel. If the barrel is 0.8…
A: The kinematic equation of motion of an object is given by Where S = distance traveled, u = Initial…
Q: 11. An object moving only in the vertical has a constant acceleration of -10 m/s² is initially at…
A:
Q: 3, An object is accelerated from rest at a constant rate of S.00 m/s'. What will be its speed after…
A: Given data The acceleration of the object is given as a = 5 m/s2. The initial velocity of the…
Q: 4. A ball is thrown straight up at initial speed of 5 m/s and falls down to the same start point.…
A: Throwing ball straight up is a special case projectile so to solve the given problem all the…
Q: In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration of the car? 5…
A: Given Initial velocity is v0= 20.0 m/s Final velocity is v= 25.0 m/s Time taken is t= 2.5 s
Q: 6. Scientist are developing new types of guns that might someday be used to launch satellites as if…
A: Using, Newton's equation of motion: v 2 = u2 +2a*S, v= final speed u= initial speed a= acceleration…
Q: A car starts from rest and accelerates at 6 m/s² eastward for 3 seconds, then maintains that…
A:
Q: 1. A ball is caught in a padded mitt. If the deceleration of the ball is 2.19x 10 m/s?, and 2.14 x…
A: The deceleration of the ball, a = -2.19×104 m/s2 The time interval, t = 2.14×10-3 s The final…
Q: The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a…
A:
Q: 1. A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.5 seconds.…
A: Given Stone thrown from the cliff and it hit the ground after 4.5 sec To find out Height of the…
Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…
A:
Q: 3. The velocity of a particle traveling along a straight line is v (3t - 4t) ft/s, where t is in…
A: Velocity of the particle traveling along the straight line, v = 3t2-4t fts Initial condition, At,…
Q: 5. An astronaut drops a hammer from 2.0 meters above the surface of the Moon. If the acceleration…
A: Initial velocity of the hammer will be zero as it is dropped by the astronaut.Now the kinematics…
Q: 4. Starting from rest, a boat increases its speed to 4.12 ml s with constant acceleration. (a) What…
A:
Step by step
Solved in 2 steps
- 15. A car travels at a constant velocity of 30 m/s. How long does it take to travel 126 meters? A car starts from rest and accelerates for 10 seconds at 3.5 m/s2. How far does it travel?44. A sports car accelerates from rest to 90km/h in 4.3s. What is its average acceleration in m/s2? Group of answer choices 20.94 m/s2 5.82 m/s2 20.93 m/s No answer 5.81 m/s13. A boy walks 155 m at a speed of 3.5 m/s and then runs for 100 m at 8.2 m/s along a straight line. Calculate his average velocity. 14.A boat can accelerate from 2 to 21 km/h in 10 s. How far has the boat travelled in this time?
- 8. A car traveling at a constant speed of 24 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3 m/s^2. (a) How long does it take the trooper to overtake the speeding car? (b) How fast is the trooper going at that time?a driver sees a deer in front of his car about 100.0 meters in front of him. the driver was traveling 50.0m/s before applying the brakes and coming to rest right where the deer was. what acceleration did the driver experience? answer in m/s2?A car is traveling at a steady 81 km/h in a 50 km/h zone. A police motorcycle takes off at the instant the car passes it, accelerating at a steady 8.4 m/s2 . How much time elapses before the motorcycle is moving as fast as the car?
- 9. Figure 2 below shows the velocity of a particle as a function of time. (a) Find the acceleration for the five one-second periods and plot the acceleration as a function of time. (b) Taking x = 0 at t = 0, find the position of the particle at t 0.5 s, t = 1.0 s, t = 2.0 s, t = 3.0 s, t = 4.0 s, and t 5.0 s and plot the position as a function of time. Look at the slopes of your x vs t curve for the five one-second periods and show that they correspond to the velocities of Fig. 2. 15.0- 10.0 5.0 0.50 1.00 1.50 2.00 2.30 S.00 350 4.50 3.00 -5.0t -ם.םו- Fig 2 -15.0While entering a freeway, a car accelerates from rest at a rate of 2.4 m/s2 for 15 s. What is the cars final velocity in meters per seconds?A car traveling at 16.8 m/s is 20.7 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.54 s later. What was the acceleration of the car? Be careful to get the sign correct! Express your answer in m/s? to 3 significant figures.
- 5. Your motion along the x-axis begins at rest and at x= 0. The motion consists of acceleration at 2.00 m/s2for 10.0 s, a time period of 6.00 seconds with no acceleration, and then deceleration at -1.00 m/s2for 20.0 s resulting in a final speed of zero. The total distance traveled is 420 m. What is the average speed during this motion? Give answer to 3 significant figures. Help solve this problem, thanks!5. A car moving at 37 m/s begins to accelerate at a rate of 1.4 m/s2. What will be the car's final velocity if it accelerates at this rate for 6.7 s?A car moves in a straight line with constant acceleration. Starting from rest at t=0 it travels 8m in 4s. What is the speed of the car at t=4s? I got 2m/s but I'm not sure that's right, I would love a step by step.