The position of a ball as it is rolling down a hill is described by: X(t) =( 7.50 m/s/s)t² + (12.0 m/s) t+ (9.0 m). What is the balls acceleration? Your Answer:
Q: Q14: An arrow is shot straight up in the air at an initial speed of 15.0 m/s. After how much time is…
A: Given Initial speed of arrow 15 m/s in upward direction ∴ Vi = 15 m/s Final speed of arrow…
Q: A projectile is shot at an upward angle of 35° with a speed of 12.1 m/s. How far does the projectile…
A:
Q: A basketball player kicks a hollow basketball up a ramp at 18m/s. The ramp has an angle of 25° and…
A: Given that, initial velocity = 18m/s The ramp has an angle of 25° length is 2.3m long
Q: An object moves in along the x-axis with an acceleration given by: a = 5t2 + 10t (m/s2). The…
A: Consider the expression of the acceleration. Using the definition of acceleration. Integrating…
Q: An electron's position is given by r= 9.7ti+ 9.0 tj witht in seconds and r in meters. What is the…
A:
Q: Spring Gun: A spring gun can launch a projectile with a speed of 12.21 m/s. It is placed at the edge…
A:
Q: An airplane has a touchdown velocity of 75.0 knots and comes to rest in 400 ft. What is the…
A:
Q: In m/s?, what is the acceleration when t = 7.5 sec? Express your answer as an integer, not as a…
A: The acceleration at a time in velocity-time graph represents the at that time.
Q: A dog initially at rest, starts running inside a circular track with a 40π m circumference. The…
A:
Q: A car drives around a circular track of diameter 126 m at a constant speed of 31.9 m/s. During the…
A:
Q: v (m/s) 50 45 40 35 30 25 20 15 10 5 0 2 4 6 8 10 12 14 1 (s)
A: In this question the velocity time graph is showing the velocity of a motorcycle police officer In…
Q: A car at a traffic signal starts from rest and makes a left turn in a circular trajectory of radius…
A: GivenInitail velocity Of car (u)=0Radius of circular Trajectory (r)=6 mSpeed (v) of car in 2 s (t)=9…
Q: A 26 kg spy drone is programmed to fly around at a constant height of 69 meters around a central…
A:
Q: A point moves on a circular path with its position from rest defined by s = t^3 + 5t, where s and t…
A: S=t3+5tacceleration, a=8.39 ms2time, t=0.66 s
Q: A sports car moving at constant velocity travels 130m in 4.9s. It then brakes and comes to a stop in…
A: First we find the initial speed of the car then we apply equation of motion to find the acceleration…
Q: The position function for a falling objects is given by s (t) = -16t2 + vot + s0, where s (t) is the…
A: Given The initial height is so = 0. The initial velocity is vo = 30 ft/s. The position function is…
Q: Consider a ball fired from a table that is h(m) high with a horizontal velocity v(m/s). Which of the…
A: Initial height of the ball is from ground level.Horizontal velocity is Find:Time taken by the ball…
Q: A car moves along a straight line whose equation of motion is given by V = 5t3-3t²+2 where (V) is in…
A:
Q: A 3,741 kg truck drives along a circular path with a radius of 40.1 m with an acceleration of 4.96…
A: Given data: Radius (r) = 40.1 m Acceleration (a) = 4.96 m/s2 Required: Velocity (v)
Q: The speed of a particle moving along circle of radius r=4 m, is v(t) = 4t; where v is in m/s and t…
A: Here given the speed of a particle moving along a circle of radius r = 4 m is v(t) = 4t .Here the…
Q: The body moves with the acceleration shown below. At time t = 0s, body position x = 250m and body…
A:
Q: A ball is tied to the end of a string and swung around overhead. The 0.05 kg ball makes a complete…
A:
Q: An object moving along the x-axis at x=0 has a velocity of 50 m/s and is accelerating. When the…
A: given object moving in x direction at x= 0 m , velocity (u) = 50 m/s at…
Q: The vertical displacement (in m) of a plane is 1.5 t2 up; t is the time (in s) after takeoff. The…
A: Given, the vertical displacement (in m) of a plane is y=1.5 t2 up; t is the time (in s) after…
Q: A girl on a bicycle takes 12.2 s to ride half way around a circular track of radius 20.0 m (see the…
A: (a) Write the expression for average speed
Q: At time t = 0 a particle at the origin of an xyz-coordinate system has a velocity vector of Vo =i+…
A:
Q: A pilot of mass 70 kg pulls out of a dive following a circular path of 900 m from the middle of the…
A: Given data The mass is m=70 kg The radius of rotation is R=900 m The velocity is, v=250 m/s The…
Q: The motion of a dog is observed to be given by the function 7 = (1.69 m/s²) t² - [(0.4 m/s³) t³-3.61…
A: Given: The position of the dog is given as. r→=1.69 m/s2t2i^-0.4 m/s3t3-3.61 mj^…
Q: In m/s2, what is the acceleration when t=7.5 sec
A:
Q: The motion of a dog is observed to be given by the function = (1.28 m/s²) t²-[(0.66 m/s³) t³-2.99…
A:
Q: An object with a mass of 2,000 kg moves with a constant speed of 20 m/s on a circular track with a…
A:
Q: A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base…
A:
Q: Aride at an amusement park has malfunctioned. It Steadily lowers riders from the top of the 60 m…
A:
Q: A dog initially at rest, starts running inside a circular track with a 40π m circumference. The…
A:
Q: The car starts from rest at s= 0 and increases its speed at a = 9 m/s². (Figure 1) Figure 40 m 1 of…
A: given- tangential acceleration = 9 m/s2 radius of curvature = 40m
Q: Myla participated in a running competition. She ran around a circular track with a radius of 1.0 x…
A: Given data: The radius of the circular track is R=1.0x102 m. The time taken by Myla to complete the…
Q: We know that the moon Callisto revolves around Jupiter during a period of 17.0 days.17.0 days. The…
A:
Step by step
Solved in 3 steps with 3 images