How fast would you need to fire a 80 g Hot Wheels car down a straight track in order for it to successfully coast through a circular vertical loop of track with a radius of 30 cm? Draw a diagram and construct a force balance to determine your answer?

Q: Given the roller coaster track below, complete the table. Show complete solution. Assume that: g =…

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Q: A 33 kg child slides down a slide of height 6.0 m and length 19 m. The coefficient of kinetic…

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Q: E) Listen You are travelling in a car at 82.5 m/s. If the car has a mass of 1,050.0 kg and you have…

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Q: You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the…

A: Displacement (d) = 1.30 mTime (t) = 1.50 sPower (P) = 97.0 WRequired:Force (F)

Q: A 2.78kg crate starts from rest and slides down a frictionless ramp whose angle is 14.4° with the…

A: Every object on Earth is being pulled down to the surface of the Earth by virtue of the…

Q: A 1.5kg block is launched up a 30 degree incline with an initial speed of 8.00m/s. The coefficient…

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Q: A 4.0 kg body has two times the kinetic energy of an 8.5 kg body. Calculate the ratio of the speeds…

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Q: An ice glider, that has a mass of 1640 kg, is initially moving at 20 m/s Nw. A wind accelerates the…

A: Since more than 3 sub parts are given , solution  for the first three is provided here. Please…

Q: (Figure 1)A roller coaster car may be approximated by a block of mass m. The car, which starts from…

A: Given,  Mass =m Height =h Radius =R We need to calculate,  Gravitational acceleration =?

Q: Tarzan, who weighs 722 N, swings from a cliff at the end of a convenient vine that is 21 m long (see…

A: Weight, w = mg = 722 NLength, r = 21 mDescends by, h = 4.5 mForce, F = 1550 N

Q: The mass of a baseball is 1.452 lb. Determine its kinetic energy relative to home plate of a 93.87…

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Q: Before: mI = 25.0 g mT = 25.0 g vI = 12.0 m/s East vT = 0 m/s After: mI = 25.0 g vI ' = 5.26 m/s @…

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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: Please

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Q: A box starts at the bottom of a very smooth, frictionless ramp. You push the box to the top of the…

A: here is an energy bar chart for the three moments:

Q: Same set-up for the conservation of energy was performed. The 5-g marble covered a horizontal…

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Q: Assume that before the accident happened, the car was going at a constant velocity of 60Km/h on a…

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Q: A small bead with a mass of 5 grams slides without friction on a thin, rigid wire as shown in the…

A: Recall      By conservation of energy at height h and at 2R For finding speed at A.       Applying…

Q: PRINTER VERSION 1 BACK N Chapter 08, Problem 018 The figure shows a thin rod, of length L =2.00 m…

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Q: n figure 8.14, an 8 kg cart has an initial speed of 7 m/s in its descent. Disrespect friction and…

A: Given, Mass of cart , m = 8 kg  Initial velocity, vA = 7 m/s Friction is neglible. Height, hA = 20m…

Q: 6. A ball of mass m is dropped from a height h above the ground as shown in Figure. (A) Neglecting…

A: (a) The ball is height h initially, and the ball in falling under gravity. Here, no friction is…

Q: 2. The 7-oz slider has a speed of 2 ft/s as it passes point A of the smooth wire guide that lies in…

A: Solution:   a) Given that,   The weight of the slider is 7-oz   So,   Wslider=7 oz×1 lb16 oz=0.437…

Q: An 11 kg object is flying at speed 4c/5. Calculate its kinetic energy, in units of kg c2.

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Q: In being served, a tennis ball is accelerated from rest to a speed of 43.7 m/s. The average power…

A: The initial speed of the ball is, u=0m/s The final velocity of the ball is, v=43.7m/s And the power…

Q: 2. A 45.0 kg boy is initially seated on the top of a hemispherical ice mound of radius 20.0 m. He…

A: Given data: The mass of boy is m=45 kg. The radius of mound is r=20 m.

Q: h from point B. The car slides down a frictionless track with a loop as shown in the figure. TH loop…

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Q: 2. An arrow of mass m, is fired at some upward angle so that it travels in an arc to its target. It…

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Q: R Four identical carts (except colors) traveling on a roller coaster track. All carts has a velocity…

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Q: An 13 kg object is flying at speed 4c/6.  Calculate its kinetic energy, in units of kg c2

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Q: Two crates of mass m1 = 50 kg and m2 = 24 kg are connected by a rope that passes over a massless,…

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Q: The escape speed from the surface of Planet Zoroaster is 60.0 km/s. The planet has no atmosphere. A…

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Q: 0.50 kg - = 1.5 m/s r= 0.95 m 2.0 m 1.9 m An engineer is working on a new roller coaster, and he…

A: Your answer is option (b)

Q: Passengers in a car are protected by what is known as a crumple zone, where they absorb energy…

A: Mass is Initial velocity is Final velocity is Note:Find:Kinetic energy absorbed by the crumple zone…

Q: Problem 3: A 60.0 kg skier with an initial speed of 17 m/s coasts up a 2.50 m high rise as shown in…

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Q: 7) A 12 kg box is at rest at the top of a ramp (point A). The length of the ramp is 8.0 m long, and…

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Q: Tall Pacific Coast redwood trees (Sequoia sempervirens) can reach heights of about 100 m. If air…

A: Given Height from the object is dropped = 100 m Air resistance is negligible So, only gravity acts…

Q: A force of 36.ON acclerates a 6.0kg block at 7.0m/s2 along a boriztonal surface. How large is the…

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Q: 2. Ski Jump Ramp. vertical height h from the starting gate to the bottom of the ramp. The skiers…

A: GivenInitial speed (u)=2 m/sFinal speed (v)=30 m/sMass of skier (m)=85 kgWork done by friction and…

Q: A water balloon is launched with a speed of 40 m/s at an angle of 60° to the horizontal. The vx and…

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Q: 7.45 A 350-kg roller coaster starts from rest at point A and slides down the frictionless…

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Q: Use the diagram and the information given to find the velocity at the point A. Use energy…

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Q: What must be the minimum initial kinetic energy of the block of mass m in order for it to slide…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.