A frictionless disk of mass 0.50 kg is moving in a straight line across an air table at a speed of 2.4 m/s [E] when it bumps into an elastic band stretched between two fixed posts. The elastic band exerts an average opposing force of 1.4 N [W] on the disk for 1.5 s. What is the final velocity of the disk?

Q: A father (mF = 90 kg) and his daughter (mD= 42 kg) stand on a flat frozen lake of negligible…

A: Given data: Mass of father (mf ) = 90 kg Mass of daughter (md ) = 42 kg In the given problem,  there…

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Q: The 5.0 MgMg truck and 1.7 MgMg car are traveling with the free-rolling velocities shown just before…

A: a) Using the law of conservation of momentum, mTuT+mCuC=mTvT+mCvC5.0 Mg30 km/h+1.7 Mg10 km/h=5.0…

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A: To find:

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Q: A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. What…

A: Given data: Mass of the ball (m) = 1.5 kg Initial velocity (vf) = 10 m/s Final velocity of the ball…

Q: In the Loblaws parking lot, the cart attendants decide to have some fun during a winter morning. The…

A: When the cart is at rest only two forces are present:1) Weight of the cart acting vertically down2)…

Q: A 5.08×104 kgkg railroad car moves on frictionless horizontal rails until it hits a horizontal…

A: Given Mass of the car m = 5.08 x 104 kg Spring constant k = 4.09 x 105 N/m Compression x = 30 cm =…

Q: A 7100-kilogram train car runs at a constant 16.0 m/s on a flat, frictionless track. Initially at…

A: Given data:  Mass of train car (m1) = 7100 kg Initial velocity of train car (V1) = 16.0 m/s Mass of…

Q: A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed…

A: GivenTotal mass (m) = 40 KgInitial velocity (U) = 5.8 m/sFinal velocity (V) = 0Force of friction (F)…

Q: A bullet of mass 25.0 kg strikes a block of wood at a speed of 395m/s. The bullet embeds itself in…

A: Given: Mass of the bullet, m = 25.0 kg Initial speed of the bullet, v = 395 m/s The bullet embeds…

Q: An object with mass m1 = 1kg moving to the right at a speed of 4m / s collides with a spring…

A: m1 = 1 kg ,m2 = 2 kg , v1 = 4 m/s , v2 = - 2 m/s , v1f = 3 m/s Force constant , k = 105 N /m To find…

Q: A car (500 kg) rolls down a 3 degree incline hill a distance of 100 meters with negligible friction.…

A: Given Masses of the car m1 = 500kg m2 = 900 kg Angle of the incline θ = 3o Length of the incline L =…

Q: 3. (a) A baseball of mass 0.13 kg, pitched with a speed of 40.0 m/s, returns exactly in the opposite…

A: For (a) Mass of base ball m=0.13 kgInitial velocity vi= -40m/sconsidering opposite direction as…

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A:

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Q: A 0.576-kg ball, initially moving with a speed of 2.93 m/s, bounces off a wall and then moves with a…

A:

Q: 51. ssm A projectile of mass 0.750 kg is shot straight up with an initial speed of 18.0 m/s. (a) How…

A: At the maximum height, all the initial kinetic energy is converted into potential energy. So,

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

A:

Q: The figure gives, as a function of time t, the force component F, that acts on a 3.80 kg ice block…

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Q: A spring that has negligible mass and a spring constant of k = 900 N/m, is attached to a table, so…

A: We are given the initial compression in the spring. We are also given the spring constant. When the…

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Q: At time t = 0, constant force F→ begins to act on a rock moving through deep space in the +x…

A:

Q: A baseball (m = 152 g) approaches a bat horizontally at a speed of 43.6 m/s (97.6 mi/h) and is hit…

A: mass of baseball (m) = 152 g = 0.152 kg Initial velocity (u) = 43.6 m/s Final velocity (v) = - 53.8…

Q: At a given instant A has the motion shown in (Figure 1). Figure 3 ft -1.5 ft- VA=3 ft/s -X A=6 ft/s²…

A: The disk doesn't slip. So that

Q: A 8.7-kg cat moves from rest at the origin to hunk of cheese located 9.5 m along the x-axis while…

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Q: A 13 N east

A: initial speed u = 2.5 m/s horizontal force F=13 N mass= 6.4 kg time, t=2.1 s

Q: Car B, of mass 1900 kg, was stopped at a red light when it was hit from behind by car A, of mass…

A: (a)Mass of car A=1500 KgLet velocity of car A before collision be U m/sMass of car B= 1900…

Q: A rubber ball hits the floor with a speed of 17.5 m/s and bounces vertically back with a speed of…

A: Refer explanationExplanation:Put value in above equation F=3.924/0.12= 32.7N Final answer is 32.7N

Q: Two forces, F, = (2.70î – 3.40j) N and F, = (3.70î – 7.80j) N, act on a particle of mass 2.10 kg…

A: Given The one force is F1=2.70i-3.40j. The second force is F2=3.70i-7.80j. The mass of the particle…

Q: A 30-gram bullet initially travelling at 500 m/s penetrates 12 cm into a wooden block. What average…

A: Given-           mass (m) = 30g           velocity(v) = 500 m/s            penetration (D) = 12 cm

Q: Calculate the final speed (in m/s) of a 104 kg rugby player who is initially running at 7.75 m/s but…

A:

Q: A mass M1 (of 2.5 kg) slides without friction on a table at a speed of 5 m/sec towards a mass M2 of…

A: M1 = 2.5 kg v = 5 m/s M2 = 5 kg k = 100 N/m

Q: Realizing that he could not drive up a 35.0°, ice-covered hill because there was no friction, Rick…

A: SOlution: Given that m1 = 4x102 kg m2 = 2x103 kg v2 = 20 m/s

Q: *11. GO A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision…

A: It is given that,

Q: A light spring of force constant 4.00 N/m is compressed by 8.00 cm and held between a 0.250 kg block…

A:

Q: A ball of mass 160 g is dropped from a height 1.5 m and bounces off the floor with a velocity 3.0…

A: Mass of ball is Initial height is Velocity of ball after bouncing from the floor is in upward…