A roller-coaster car is moving at 4.12m/s along a straight horizontal track before entering the first drop. What will the speed of the coasterbeat point B? Ignore friction and air resistance.

Q: A block of mass m = 5 kg is attached to a spring with spring constant  k= 400 n/m . The spring, with…

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Q: In the figure, a frictionless roller coaster car of mass m = 826 kg tops the first hill with speed…

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Q: We want to slide a 10.0-kg crate up a 3.0-m-long ramp inclined at 30.0° A worker, ignoring friction,…

A: We need to calculate the speed of the crate once it comes back to the position it is thrown from.

Q: Malar is playing with a toy car and track set. She has assembled the track so that it contains a…

A: Given, Height at which the car started,  h=137 cm=1.37 m The mass of the car,  m=64 g=0.064 Kg Speed…

Q: A package with a mass of 50.0 kg slides down a smooth ramp with negligible friction. The package…

A: Using conservation of energy : initial potential energy = final kinetic energy mgH = (1/2) m (v)2…

Q: Question 6. The skateboarder in the drawing starts down the left side of the ramp with an initial…

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Q: In the figure, a frictionless roller coaster car of mass m = 814 kg tops the first hill with speed…

A: The roller coaster car is initially at the top of the first hill at a height of 42 m and an initial…

Q: A package with a mass of 40.0 kg slides down a smooth ramp with negligible friction. The package…

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Q: You are designing a ski jump ramp for the olympics. You need to calculate the vertical height (h)…

A: In this question it is given that when designing a skyjump ramp for the Olympics  We need to…

Q: A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 15.0-m-long…

A: As we can from the figure that the ball is in a circular motion havingradius of the circle is l.We…

Q: A 2.1 x 103-kg car starts from rest at the top of a 4.4-m-long driveway that is inclined at 24° with…

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Q: A 10kg blovkc slide down a hill that is 200m fall with an initial speed of 12m/s. a.) what is the…

A: Given: Mass of block, m=10 kg Height of hill, h=200 m Initial speed of block, u=12 m/s   To…

Q: 102 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope 1.4…

A: Given:- The mass of the person m = 102 kg  The speed of the skis at the ground level vg = 9.5 m/s…

Q: A 85-g toy car is propelled by a compressed spring that starts it moving. The car follows a curved…

A: To solve the question we can use a different approach. However, we are going to solve it using the…

Q: A roller coaster car is approaching the top of a hill with a speed of 7.1 m/s.  The top of the hill…

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Q: A bead is moving with a speed of 25 m/s at position A on the track shown in the figure. This track…

A: Speed of bead at position A is vA=25 m/sposition A   =   200mposition C   =    160mWe have to…

Q: A center hurls a basketball m = 1 kg straight up with an initial speed of v0 = 7.5 m/s. He releases…

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Q: A hockey puck is at the top of a 10 m long slippery slope, that makes an angle of 30° to the…

A: h= 10 m v= 5 m/s First, find the verticle height  H= h sin θH=10 sin 30H =5 m   For the conservation…

Q: If a skier at the top of a y = 33.5 m hill that has a slope of θ = 12.10 is able to go down the hill…

A: Given Height of the hill = 33.5 m Friction = 0 To find out Speed of the skier at the bottom of the…

Q: A 145 g basketball is dropped from a tree 12.0 m above the ground. with what speed would it hit the…

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Q: A girl and her bicycle have a total mass of 60 kg. At the top of the hill her speed is 5.0 m/s. The…

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Q: Mary is coasting on her bike at 12 m/s when she starts down a 500 m long slope that is 30 m high.…

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Q: A 63.5-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.6 m/s.…

A: The objective of this question is to find the maximum height the athlete attains and her speed at…

Q: Maria sets up a simple track for her toy block (m = 0.26 kg) as shown in the figure below. She holds…

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Q: A parachutist weighing m=70kg (including equipment) falls vertically from a height of 1500 meters…

A: Given data: The mass of parachutist is m=70 kg. The vertical height is h=1500 m. The coefficient of…

Q: A 1000 kg roller coaster car stays at point A of height H=50.0m and slides down the smooth track and…

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Q: In the figure, a frictionless roller coaster car of mass m = 816 kg tops the first hill with speed…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: Chapter 08, Problem 030 GO A 1.9 kg breadbox on a frictionless incline of angle e = 42 ° is…

A: Given:- m =1.9 Kg θ =42o K= 100 N/M height of the box to be the y=0 reference level and observe that…

Q: A stationary 18.3 kg wooden box is pulled by a 273 N force that is 32^0 above the horizontal. A 105…

A: Given Mass of wooden box = 18.3 kg pulling force = 273 N 32° above the horizontal. Frictionforce =…

Q: A 104 kg man is skiing across level ground at a speed of 8.3 m/s when he comes to the small slope…

A: Given that,                     initial velocity(vi)=8.3m/s                     mass of man(m)=104kg…

Q: You throw a baseball (mass 0.145 kg) vertically upward. It leaves your hand moving at 12.0 m>s.…

A: Given: Mass of the baseball is 0.145 kg Initial velocity is 12 m/s

Q: You are designing a ski jump ramp for the next Winter Olympics. You need to calculate the vertical…

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Q: A child and sled with a combined mass of 26.1 kg slide down a frictionless hill, starting at the…

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Q: In the figure, a frictionless roller coaster car of mass m = 810 kg tops the first hill with speed…

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Q: Current Attempt in Progress In the figure, a frictionless roller coaster car of mass m = 815 kg tops…

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Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of…

A: initial speed u = 0 final speed v = 120 km/h = 50 x 1000/3600  = 13.89 m/s

Q: A spring-loaded toy gun is used to launch a 10 g plastic ball.  The spring, which has a spring…

A: Given data:  Mass (m) = 10 g = 0.010 kg Spring constant (k) = 10 N/m Comparison in spring (x) = 10…

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: Mass of man (m) = 108 kg Initial speed (u) = 9.5 m/s Height of final level above the ground (h) =…

Q: A sled slides without friction down a small, ice-covered hill. Onits first run down the hill, the…

A: Given: The initial speed of the sled at the top of the hill = 0 The speed at the bottom of the hill…

Q: A roller coaster ride starts at a height of 35 m above the ground. The mass of the car is 450 kg.…

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Q: A 30.0-kg child starting from rest slides down a water slide with a vertical height of 10.0 m. What…

A: mass of child(m)=30 kg vertical height(h)=10m as child is coming down its potential energy is…

Q: A 67.0-kg skier starts from rest from the top of a 67-m high slope. What is the speed of the skier…

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Q: 2. In the accompanying figure, a tiny cube is pushed and released at point A. It has an initial…

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