A rollercoaster goes over a hump of radius 15 m. What is the maximum speed it can have at the highest point of the hump without the riders flying out of their seats?

Q: 5) A 0.420 kg block of wood rests on a horizontal frictionless surface and is attached to a spring (...

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Q: Mars is about twice as far from the sun as Venus. A Martian year, which is the time it takes Mars to...

A: (a) (b)The rotational speed of planets is inversely proportional to the distance from the sun.The p...

Q: A negative particle is moving through a magnetic field in an upward direction. The magnetic field po...

A: Given: charge on particle = negative( let q=-e) direction of motion of particle = upwards direction ...

Q: The diagram shows an electrical circuit. The battery and cell in the circuit may be assumed  to have...

A: GivenCircuit shown in figure

Q: A hose shoots water straight up for a distance of 2.5 m. The end opening on the hose has an area of ...

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Q: Two horizontal parallel plates are seperated by a distance of 175mm creating an electric field of 22...

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Q: 50 ΩΕ 100 ΩΕ 20 ΩΕ +

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Q: 4. Two point charges are located on the -axis as follows: charge q1 = -1.50 nC at y = -0.600 m, and ...

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Q: Friction provides the force needed for a car to travel around a flat, circular race track. What is t...

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Q: A 4.0-kg object's velocity-vs-time graph is shown below. What is the net force on the object when t=...

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Q: A block of mass m1 rests on horizontal ground. A block of mass m2 rests on m1. There is no frictio...

A: As far as the horizontal force F applying to mass m1 with friction between m2 and m1 and no friction...

Q: estion 1 of 9 The force of Earth's gravity pulls down on a snowflake as it floats gently toward the ...

A: The force of Earth's gravity pulls down on a snowflake as it floats gently toward the ground. What i...

Q: Your friend (mass 65.0 kg) is standing on the ice in the middle of a frozen pond. There is very litt...

A: given mass=65.0 kg initial velocity,u=0 final velocity,v=6.00m/s time t=3.00sec Acceleration can be ...

Q: 17.48 A 15-µF capacitor is joined in series with a 25-µF capacitor and a l12-V battery. (a) What is ...

A: Given, Capacitance of the capacitor, C1 = 15 μFC2 = 25 μF potential of the battery, V = 12 V

Q: When the car reaches point A, it has a speed of 25 m/s. After the brakes are applied, the speed is r...

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Q: Two charges of -6.25nC and -12.5nC are placed 25cm in a line. etermine the electric field at a point...

A: We know that the formula of the electric field is given as  E = kqr2 where k is the coulomb's consta...

Q: 4) Sportsball questions: a) A baseball with a mass of 0.147 kg is thrown horizontally with a speed o...

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Q: In the system of connected blocks shown in the figure, the coefficient of friction under blocks B an...

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Q: DIRECTIONS: Choose the correct term in the parenthesis. Underline the corret term.   1. The magnit...

A: According to question we need to fill in thr blanks .

Q: A book is pressed against a wall with a force of 10.0N applied at an angle 15.0 degrees down from th...

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Q: 3. A mass is placed on an inclined at 36.0 degrees. The coefficients of friction are 0.265 (kinetic)...

A: The situation is shown below   We have R=mgcos36f=μR =μmgcos36

Q: 2. A long cylinder of diameter 2 cm has a surface charge density 5 nC/m2, a. What is the electric fi...

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Q: Two disks of masses m1= 3.60 kg and m2= 8.40 kg are attached to a string that rotates with angular v...

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Q: Part A A hollow copper wire with an inner diameter of 0.50 mm and an outer diameter of 2.0 mm carrie...

A: Given value--- inner diameter = 0.5 mm. outer diameter = 2mm. current = 10 Amp. We have to find---...

Q: Given the circuit below, with R=2 ohms and C-0.2 Farads, compute for the transfer function Vo(s)/Vin...

A: According to question we need to find transfer function V0 / Vin .  

Q: Problem 3: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in ...

A: given: vi=15 m/sm=60.0kgh=2.50 mθ=35°μ=0.31

Q: A balloon having a mass of 400 kg remains suspended motionless in the air. If the air density is 1.2...

A: Answer :-  Given  Mass of a balloon (M) = 400 kg  Density (d) = 1.29 kg/m3  Volume (V) = ?  We know ...

Q: Figure 1 The diagram above (Figure 1) shows the situation for the three questions below (questions 1...

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Q: Which of the following best describes drift velocity? a.The speed at which electrical signal traver...

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Q: A cyclist leaves point A and rides 20 km [N] then makes a turn and then travels 25 km [E] and arrive...

A: The movement can be shown as below  

Q: Direction: Answer the following questions. 1. A charge of 4.50 x 10-8 C is placed in a uniform elect...

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Q: Suppose that C Cos (wat) and D Sin (wot) are two independent solutions of the SHO differential equat...

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Q: 2.0 mol of ideal gas at STP experiences a two step phase change - it is first cooled isobarically to...

A: Given data: The number of moles is n=2 mol. The volume relation is Vf=12Vi. Here, Vf is the final vo...

Q: Problem 1 Let A = 3 i - 3 j +k and B = -2 i+ (-1) j + 5 k. A. What is the cross product C = B x A ? ...

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Q: An object with a net charge of 24 µC is placed in a uniform electric field of 610 N/C directed verti...

A:

Q: Problem 1: In this problem we are going to compare the strength of the gravitational interaction bet...

A: the gravitational field g=GMR2

Q: The string of 9 meters long is clamped at the ends and is vibrating as the fifth harmonic. The strin...

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Q: Find the resistance of the network shown in Fig. 17.31. 5.6 N 5.6 N 10 0

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Q: 6. What requires the most energy? Raising the temperature by 1 degree for 1 kg of ice Freezing 0.5...

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Q: Mars is about twice as far from the sun as Venus. A Martian year, which is the time it takes Mars to...

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Q: A roller coaster is going over a hill with a radius of 20 m. a) How fast does it have to go for ...

A: The centrifugal force experienced by a body is circular motion is Fc = mv2r, where m = the mass of t...

Q: T^2 = [(4pi^2) / GM ] r ^3 Where T= 365 days R= 149,536,147 km Solve for M Can you show how to solve...

A:

Q: A phonograph record 0.31 m in its radius, it makes one rotation 1.75seconds. What is the tangential ...

A: Given data: The radius of phonograph is r=0.31 m. The time taken in one rotation is t=1.75 s.

Q: An object thrown vertically upward from the surface of a celestial body at a velocity of24  ​m/s rea...

A: According to guidelines we need to solve only first three sub-part kindly repost other parts in the ...

Q: Which of the following is not a property of a neutral conductor in a static electric field? a.The c...

A:

Q: Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of ...

A: According to question we need to find both initial charge .

Q: Three capacitors of 1.0, 1.5, and 5.0 µF are together in parallel. What is their equivalent capac- i...

A: Given data:  Three capacitors C1 = 1.0 μF C2 = 1.5 μF and C3 = 5.0 μF Capacitors are connected in pa...

Q: b) If a Doppler shift of 1636 Hz is measured in the ascending aorta using a 2MHz ultrasound transduc...

A: Given value--- Doppler frequency = 1636 Hz. frequency of ultrasound = 2MHz. Doppler angle = 0 degre...

Q: A wire is coiled with a cross sectional area of 0.71m^2. It moves through a 1.6T magnetic field in 2...

A: Given value--- Area = 0.71 m². magnetic field = 1.6 T. time = 2.85 sec. current = 6 Amp. resistance...

Q: Four charges were initially infinitely far away from each other. They were then brought and arranged...

A: Work done in arranging the system is equal to the potential energy of the system. We know potential ...

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.