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: 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: 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 15 g bullet traveling parallel to an inclined ramp strikes a 2.74 kg block of wood and becomes…

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Q: I push the 0.5-kg block, against kinetic friction, across the table a distance of 0.5m, with a force…

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Q: A 145 g baseball is dropped from a tree 11.0 m above the ground. (a) with what speed would it hit…

A: Given: In this question, the given details are, The given mass value is M=0.145 kg, And the given…

Q: A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill,…

A: Given values, Radius, r=36.7 m

Q: A 480 g peregrine falcon reaches a speed of 75 m/s in a vertical dive called a stoop. If we assume…

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Q: You are travelling along a road at night at a constant speed of 20 m/s. Your maximum visibility…

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Q: Question 3. A force F pulls a box of mass m at an angle of 6 above the horizontal. The coefficient…

A: Given data The force magnitude is F The angle of inclination is θ The mass of the box is m The…

Q: You and your friends push a 400 kg piano across a hardwood floor at a constant speed. You all push…

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Q: A vehicle is travelling at 20.0m/s steadily. If the engine provides 7.8x10 W consistently, what is…

A: Given, speed v = 20.0 m/s            power P = 7.8 × 104 W            resistive force Fr = ? In…

Q: You are designing a skatepark and want the skaters to be able to reach a speed of 12 m/s at the…

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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: By landing properly and on soft ground, humans have survived from airplanes when their parachute…

A: SOlution:

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: A m = 1500 kg car traveling at an initial speed of vo= 10 m/s suddenly runs out of gas while…

A: a) Write the energy conservation equation between both sides.…

Q: Boxes A and B in (Figure 1) have masses of 12.0 kg and 5.0 kg, respectively. The two boxes are…

A: Given mass of box A=mA=12kg           mass of box B=mB=5kg.

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: During terrible weather at a ski-flying world championship, a ski jumper tried to adjust for bad…

A: Given: The mass of the jumper is 73 kg. The distance from the starting point is 45 m. Introduction:…

Q: A 1000 kg roller coaster in an amusement park left the 65-m high launching platform to reach ground…

A: Solution: To solve this problem, we need to consider the energy conservation and the forces acting…

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

A:

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: A single frictionless roller-coaster car of mass m= 750 kg tops the first hill with speed ve 15 m/s…

A: Mass of car m = 750 kg Initial Speed of car u = 15 m/s Initial height h = 40 m gravitational…

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: A 1500 kgkg car skids to a halt on a wet road where μkμkmu_k = 0.55. You may want to review (Pages…

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Q: (Figure 1)A roller-coaster car may be represented by a block of mass 50.0 kg. The car is released…

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Q: Q. A 980 W electric motor lifts a 50 kg safe at a constant velocity. Find the vertical distance…

A: The distance can e determined by, F=mgF=50×9.8F=490N

Q: ight of 2.1 m, its

A: Given: Frisbee mass is 75 g       speed is 12 m/s Distance above ground is 1.1 m height is 2.1 m…

Q: QUESTION 5 A 0.7-kg ball is thrown with a speed of 14.5 m/s at an angle 38.7 degrees. What is its…

A: At highest point component of velocity in vertical direction becomes zero but component of velocity…

Q: A 4 kg box starts up a 30° incline with 128J of kinetic energy. How far will it slide up the incline…

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Q: hat all frictional forces may be ignored. A) What

A: Givenm=1400 kgP=42 hpv=10 m/s

Q: A 50 kg box slides down a 6-meter high plane angled 30o to the horizontal. If the coefficient of…

A: We have a box of mass m=50 kg which is sliding down a height of h=6 m plane angled at 30o and the…

Q: A 67.5-kg skier encounters a dip in the snow's surface that has a circular cross section with a…

A:

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given Mass of the flea (m) = 0.5 mg = 0.5×10-6 kg Length of the flea (L) = 2 mm = 2×10-3 m Height of…

Q: A 149-g baseball is dropped from a tree 15.0 m above the ground. Part A With what speed would it hit…

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Q: A 22 g golf ball is placed at the top of a loop de loop track 45 cm above the top of a desk and…

A: Solution:   Given Values, mass(m)=22 g =0.022 Kg height(h)=45 cm=0.45 m

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.