Jimuel Pacquiao's sports car is traveling at constant speed around a circular track. What happens to the centripetal acceleration of his car if the speed is doubled? A The centripetal acceleration is decreased by a factor of one-half. B The centripetal acceleration is decreased by a factor of one-fourth. c) The centripetal acceleration increases by a factor of 4. D The centripetal acceleration increases by a factor of 2.

Q: A clown carries two mylar balloons that rub against a circus elephant, causing the balloons to…

A:

Q: A sealed tank containing a mixture of nitrogen and oxygen is cooled to 82.8 K and maintained under…

A: Nitrogen becomes liquid at 77.2K under atmospheric pressure and oxygen becomes liquid at 90K under…

Q: 1. Which of the following statements is always true? a) If an object is moving, an unbalanced force…

A:

Q: At the park there is a pool shaped like a circle. A ring-shaped path goes around the pool. Its inner…

A: The  radius of the outer circle( R) = 14 yd The radius of the inner  circle(r)  =   10 yd   the…

Q: f both mass and velocity of a ball are quadrapauled, the kinetic energy is increased by a factor of…

A:

Q: Thirdy. Consider a block sliding down a rough ramp. Which of the following forces is the reaction…

A:

Q: Refer to the figure below. A ball as shown in the figure is moving in uniform circular motion. Which…

A: During uniform circular motion, only centripetal force is acting along the centre of the circle.

Q: An object I with a mass of 4 kg is lifted vertically 3 m from the ground level; another object II…

A: Object 1 has mass 4kg and taken to 3m and object 2 has mass 2kg and taken to 6m.

Q: P.1.1 Two plates are kept separated by a film of oil of 0.025 mm. the top plate moves with a…

A: Write the expression for the force. Here, F is the force, g is the acceleration due to gravity, μ…

Q: A high-diver of mass 70 kg jumps off a board 20 m above the water. If, 1.5 s after entering the…

A:

Q: A point particle with charge q = -200 nC and mass m = 3.0×10-6 g is released from rest at the…

A:

Q: A 15.0 kg load of groceries is lifted up from the first floor to the fifth floor of an apartment…

A: Given that, Mass (m)= 15 kg Height of each floor (h)= 5 m Height of second floor from first floor…

Q: What is the current I through the resistor at t= 50 micro seconds, and immediately after the switch…

A: Write the given values with the suitable variables. t1=50 μs=50×10-6 st2=200 μs=200×10-6 sC=4…

Q: What are the forces acting upon a ball at the top of its bounce, and are they balanced or…

A:

Q: weight of the student on the Moon

A: Weight of student on EARTH = 520 N Mass of student on EARTH = 520/10 = 52 kg Now if this student go…

Q: Assuming that the youngs modulus of spider ilk is 8.4x10^9 pascals. If the spider silk a radius of…

A:

Q: A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are…

A:

Q: 2. Three 7.20 Q resistors are connected in series. Illustrate a schematic diagram for the case. What…

A: Given data:  Three resistors are connected in series combination R1 = R2 = R3 = 7.20 Ω Required: The…

Q: A small block of mass M is released from rest at the top of the curved frictionless ramp shown in…

A:

Q: A steel wire, 3.0 m long, has a diameter of 1.0 mm. If a 10 kg load is hung from the wire how far…

A:

Q: Q2) Problem 38: Page No. 527: A wire carrying a 30 A current pass between the poles of a strong…

A: Given data :- Current I = 30 A   Angle θ between L→ and  B→= 90°   Force F = 2.16 N  Length of wire…

Q: Which projectile has the greatest flight time?   Projectile B   Projectile A   Projectile C…

A: Formula for range of projectile is R = u^(2) sin(2theta)/g And time of flight is T =2 u sin(theta)/g

Q: What is the net force of a cart in a tiled floor if its kinetic friction is 20 N and the frictional…

A: Net force is equal to the difference between applid force minus force due to friction.

Q: During a serve, a tennis racket exerts an average force of 250 N on a 80-g tennis ball, initially at…

A: Given data:  Force (F) = 250 N Mass (m) = 0.080 g Initial velocity (Vi) = 0 m/s Time (t) = 0.005 s…

Q: Find the moment of inertia with respect to the y axis of the first quadrant area = x. Find the…

A:

Q: The sound intensity levels for a machine shop and a quiet library are 100 dB and 37 dB,…

A: loudness of machine shop =100 dB loudness of quit library=37 dB

Q: Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), each…

A:

Q: Part A The 5.0-m-long rope in (Figure 1) hangs vertically from a tree right at the edge of a ravine.…

A:

Q: Alex throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 4.5…

A:

Q: 8. Two 14-kg blocks are connected with a light rope pand the system is accelerating at 1.8…

A:

Q: While watching the clouds pass by, you notice a European swallow flying horizontally at a height of…

A: Motion of projectile can be divided into x component and y component.

Q: A car travelling at 4 m/s acceleration uniformly the car travels 150 meters in 26 seconds, Find the…

A: Given data:  Initial velocity (Vi) = 4 m/s Distance (d) = 150 m Time (t) = 26 s Required:…

Q: A capacitor consists of two parallel plates, each with an area of 14.1 cm2, separated by a distance…

A:

Q: A ball is released from rest at position 1. The diagram shows the ball in four positions as it rolls…

A:

Q: Two blocks of masses 20 kg and 8.0 kg are connected together by a light string and rest on a…

A:

Q: A square coil of wire containing a single turn is placed in a uniform 0.34-T magnetic field, as the…

A:

Q: (a) What is the maximum torque on a 150-turn square loop of wire 18.0 cm on a side that carries a…

A:

Q: The device shown below is installed on an electrical wire. What is the most likely effect it will…

A: The device shown in the figure is a transformer.

Q: A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle…

A: Given: The length of the string is 2 m. The angle with the vertical is 25o. The initial speed of the…

Q: The velocity (in feet/second) of a projectile t seconds after it is launched from a height of 10…

A:

Q: d by 37%, (b) the image is real and magnified by 28%; (b) the image is virtual and enlarged by 80%.

A: We know that the mirror formula is given as  1f= 1v+1u where v is the image distance  u is the…

Q: The net force on an object is in the positive x-direction. Consider the following statements. (i)…

A:

Q: A force of 22 N is pulling two carts to the right on a frictionless surface. If both carts have the…

A:

Q: You are pulling a string with a force of 205N attatched to a heavy box of 38kg across your carpeted…

A:

Q: A uniform bridge span weighs 50.0x 10° N and is 40.0 m long. An automobile weighing 15.0 x10° N is…

A:

Q: 38: Page No. 527: A wire carrying a 30 A current pass between the poles of a strong magnet that is…

A:

Q: A motor boat moves at a steady speed of 6 m/s. Water - resistance acting on it is 4370 N. Calculate…

A: Given data :    Force   =   F    Speed of  the boat  =  v          To find :         Power of engine…

Q: 2.3 x 10-4T 0.8 x 10-4 T 25° 0.6 m 0.8 x 10-4 T 25° 2.3 x 10-4T 0.2 m

A:

Q: A simple Atwood's machine remains motionless when equal masses M are placed on each end of the…

A: Given, A simple Atwood's machine with equal masses on both chord are in equilibrium. When, small…

Q: If the energy received by 7 m? area in 6 minutes is 4290KJ. Calculate the value of Solar constant ?

A: Energy recieved (E) = 4290 kJ Area (A) = 7 m2Time (t) = 6 minutes

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.