An object of mass 0.85 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 17.6 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.)
Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…
A:
Q: 2. A time-dependent, one-dimensional force acts on a particle of mass m in the +x direction…
A:
Q: A time-dependent force, = (7.40i - 3.80tj) N (where t is in seconds) is applied to a 2.00 kg object…
A:
Q: A runner of mass 62.0 kg initially moves at a
A:
Q: A 3.1 of object is initially moving at 2.7 m/s to the right while experiencing a net force that also…
A: Given that: Mass of the object, m=3.1 kgInitial velocity, u=2.7 m/sF=1.2tt=3.4, v=? s=?
Q: An object has a mass of 7.92 kg and it has an initial velocity vo.lt is acted upon by a force of…
A:
Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…
A:
Q: A very massive cart A fitted with a compressible spring and initially moving to the right collides…
A: Basic Details The potential energy of the spring is directly proportional to the force applied by…
Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…
A: Given data: Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3…
Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…
A: According to Newton's second law - F=ma Therefore, a=Fm Given values, m = 125 kg F = 190 N a=190…
Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…
A: mass = 126 kg drive force = 195 N constant velocity = 5.60 m/s
Q: An object with a mass of 1.93 kg is initially at rest upon a horizontal, frictionless surface. An…
A: Given data: Mass of an object is, m= 1.93 kg The object is initially at rest, vi = 0 The applied…
Q: A dated box of dates, of mass 7.1 kg, is sent sliding up a frictionless ramp at an angle of e to the…
A:
Q: A boy slides down a hill on a sled (total mass of 31 kg) and coasts onto a flat plain with a speed…
A: Given data The total mass of the boy and sled is m = 31 kg. The speed of the boy and sled is u = 6.5…
Q: Two forces F, = (81.24î – 26.83ĵ) N and F, = (27.41i - 80.52ĵ) N are exerted on a particle. The…
A:
Q: An object of mass 0.93 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…
A: Mass (m) = 0.93 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3 s Final…
Q: A car of mass 1.2 103 kg is traveling east at a speed of 24 m/s along a horizontal roadway. When…
A: Given: Mass of car is M=1.2×103kg The initial speed of the car is Vinitial=24m/s brakes are applied…
Q: A 0.18- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across…
A: Let m denotes the mass, Fmax denotes the maximum force, t denotes the base of the isosceles…
Q: An object of mass 0.53 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…
A:
Q: The only force acting on a 3.4 kg body as it moves along the positive x axis has an x component Fx =…
A:
Q: During an Olympic 100-m sprint race, Usain Bolt, the world record holder in that race, quickly…
A: Given: Mass,m=94kgAcceleration due to gravity,g=9.8m/s2Contact Force,FC=2.8×103N a) The expression…
Q: A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81…
A:
Q: Problem 14: A particle of mass 1.39 kg begins at rest and is then subject to a force in the positive…
A:
Q: A biker is traveling on level ground at 52.0 m/s with a combined mass of 325.0 kg. She spots a…
A:
Q: baseball with mass m=m=0.145 kg is dropped from rest from a height of h=h=5.9 m above a baseball…
A:
Q: An object of mass 0.85 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…
A:
Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…
A: Given data: Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time (t) = 2.9 ms = 2.9×10-3 s Final…
Q: A 79.3 kg bungee jumper is initially standing at a rest on a bridge. After falling a distance 19.6…
A: Given: The mass of the jumper is 79.3 kg. The person falls a distance of 19.6 m. The force of the…
Q: A dated box of dates, of mass 4.2 kg, is sent sliding up a frictionless ramp at an angle of 0 to the…
A: Mass of box (m)= 4.2 kg Angle of ramp with horizontal = θ Ramp is frictionless Box is sent sliding…
Q: Review Conceptual Example 16 as background for this problem. The water skier there has a mass of…
A:
Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…
A:
Q: A particle’s motion is described in Cartesian coordinates by the following equations: x(t) = sin(t),…
A:
Q: A lump of clay of mass 0.21 kg is dropped from a height of 5.5 m. The clay comes to a full stop…
A: mass of clay is m = 0.21 Kg height from which clay was dropped is h = 5.5 m time taken by the clay…
Q: In a performance test, each of two cars takes 8.6 s to accelerate from rest to 26 m/s. Car A has a…
A: From kinematics equation:
Q: An electron with a speed of 1.10 × 107 m/s moves horizontally into a region where a constant…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s3)t2+ (2.00 m/s2)t. The velocity of the object at t = 0 s is equal to vo = 0 m/s. Find the force as a function of time that causes the object to move.Imagine a skydiver with a mass of m jumping out of an airplane at an altitude of h. As the skydiver descends, they experience two forces: air resistance and gravity. The force of air resistance varies with time and is described by the following function, where t is the time in seconds since t e skydiver has jumped: vec 2 (F)(t) = (0.5t)ha (x) + (0.11 +0.3t)hat(y) a) Create a air free body diagrar for the skydiver at t = 2 seconds. b) - What is the net for e acting on the skydiver at t = 2 seconds? c) What i the magnitude of the acceleration of the skydiver at t = 2 seconds? Imagine a skydiver with a mass of m jumping out of an airplane at an altitude of h. As the skydiver descends, they experience two forces: air resistance and gravity. The force of air resistance varies with time and is described by the following function, where t is the time in seconds since the skydiver has jumped: Fair (t) = (0.5t)2 + (0.12 + 0.3t)ŷ a) Create a free-body diagram for the skydiver at t = 2 seconds.…Starting from rest, a 64.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t − 11,500t2 where F is in newtons and t is in seconds. (c) With what speed (in m/s) did she leave it? (Round your answer to at least three significant figures.) (d) To what height (in m) did she jump upon leaving the floor?
- Consider a tennis ball of mass 0.040 kg making contact with a racquet at 23.7 m/s for 1.30 ms. If the return speed (assume 1-D motion) is 22.4 m/s, calculate the magnitude of the average force on the ball by the racquet. 0.900 x 10³ N O 1.260 x 10³ N 1.245 x 10³ N O 2.170 x 10³ N O 1.420 x 10³ NAn object of mass 0.77 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 12.7 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.) NUnder the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of 139 kg. Under the influence of a drive force of 180 N, it is moving at a constant velocity whose magnitude is 5.43 m/s. The drive force is then shut off. Find (a) the distance in which the snowmobile coasts to a halt and (b) the time required to do so. (a) S = (b) t = i i
- (Figure 1) shows a F = 6.4 N force pushing two gliders along an air track. The 170 g spring between the gliders is compressed. Assume the force Facts and the whole system moves in the same direction. The spring does not sag. Figure F A 400 g m B 600 g 1 of 1 Part A How much force does the spring exert on glider A? Express your answer to two significant figures and include the appropriate units. F = Submit Part B F = O Submit Value Request Answer How much force does the spring exert on glider B? Express your answer to two significant figures and include the appropriate units. μA Value Units Request Answer ? Units ?Two forces É, = (81.24i – 26.83j) N and É, = (27.41i - 80.52j) N are exerted on a particle. The particle's mass is 23.21 kg. (a) Find the particle's acceleration in component form. (Express your answer in vector form.) a = m/s? (b) What are the magnitude and direction of the acceleration? magnitude |m/s2 direction counterclockwise from the +x axisA student (m = 58 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From what height did the student fall? Assume that the only force acting on him during the collision is that due to the ground. H=
- Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of 143 kg. Under the influence of a drive force of 220 N, it is moving at a constant velocity whose magnitude is 4.38 m/s. The drive force is then shut off. Find (a) the distance in which the snowmobile coasts to a halt and (b) the time required to do so. (a) s= (b) t = i i + +A horizontal force of 80.0 N is applied to a 5.00 kg block as the block slides a distance of 0.800 m along a horizontal floor. The coefficient of kinetic friction between the floor and the block is 0.500. If the block is initially at rest, how fast is it moving at the end of the displacement?Dr. Miller is conducting an experiment. He has a stack of books on a table which is frictionless and flat. He applies a force F on the stack, and finds that it accelerates at 3.0 m/s². He then adds a book to the stack. This is a physics textbook that has a mass of 1.0 kg. He then applies the same force F on the stack and finds that now the stack accelerates at 2.0 m/s². What was the mass of the original stack of books? a) 1.0 kg Ob) 2.0 kg c) 3.0 kg O d) none of the above