Which causes a greater effect to the magnitude of the velocity of an object in a uniform circular motion: variation in centripetal force or variation in radius? Explain in detail

Q: 17.25) Compute the power required to overcome drag on a  truck with a drag coefficient of 0.75 when ...

A: Given DataCd=0.75V=65kmph=18.056m/sT=40°Cw=8fth=12ftA=8×12=96ft2

Q: 5.7 g quarter sits 25 cm from the axis of rotation on a turntable that has a period of rotation of 1...

A: solution: Mass of quorter m= 5.7g            Time period t= 1.8 sec Distance x = 25cm x = 0, 25 m (a...

Q: A parachutist whose mass is 65 kg drops from a helicopter hovering 2500 m above the ground and falls...

A:

Q: A bar of length L = 0.33 m is placed on metallic rails in such a way that a circuit with resistance ...

A:

Q: Today on Friday 25 Mar 2022 a magnitude 5.4 earthquake occured in Papua New Guinea. a) Determine the...

A: Given  Earthquake measured on Richter scale , R = 5.4  Energy released by earthquake is determined b...

Q: Two charged parallel metal plates are separated by a distance d and a potential differen ce of VAB b...

A: Given that:

Q: An aluminum wire of radius 1.00 mm carries a current of 1.00 mA. The density of aluminum is 2.70x103...

A: Given value--- radius 1.00 mm. current of 1.00 mA. The density of aluminum is- 2.70x103kg/m3 . 1 mo...

Q: A railroad car with a mass of 5 x 10^5 kg collides with a stationary railroad car of equal mass. Aft...

A: Given  Mass of  both cars is same  m = 5× 105 kg

Q: Determine from what height would a car have to be dropped to have the same kinetic energy that it ha...

A: Given: v=65 mph

Q: QUESTION 3 A 1,500 kg car's tires apply 3E3 N of force against the ground to push the car forward. W...

A: 3) mass of car (m) = 1500 kg force applied by car's tires against the ground to push the car forward...

Q: 24.5 kg o workers push in opposite directions on a box that weighs exerts a force of 77.6 N and the ...

A: GivenTwo workers push in opposite directions on a box that weighs 24.5 kg

Q: 7. The electrons in the hydrogen atom are at the activation energy level 1. 7.2 Find the potential e...

A:

Q: The position of a particle along a straight line is given by s =( 1.84t3-15.25t2+22.5t ) ft, where t...

A:

Q: A forklift does 1150 J of work to lift a crate straight up using a force of 500 N. How high does the...

A: Work done by forklift to lift a crate, W = 1150 J  Force acting , F = 500 N  Let crane lift the crat...

Q: 1. Write down the derivation of formulas and describe each variable for each of the following discus...

A:

Q: Find Plank constant

A: Given that: To determine plank's constant

Q: mass 10. kg is pulled with a force of 30. N in the right direction at an angle of 30. degree with re...

A: givenm=10 kgF=30 Nθ=30°μ=0.2

Q: Note: When the vectors A and B are parallel cos 0 = 1 and the dot product has maximum value. Alterna...

A: According to question we need to find angle between two vectors.

Q: (b) According to Lenz's Law, in which direction will an induced current in the loop travel? How do y...

A:

Q: An electric current of I = 0.75 A flows through a long, straight wire. The wire lies in the plane of...

A:

Q: How much force must the floor apply to hold up a 100 kg man carrying a 25 kg boy on his shoulders Fo...

A: GivenMass of man, m=100 kgmass of boy, m=25 kg

Q: Metal sphere A has a net charge of +10.0 C, it is brought in contact with a neutral metal sphere 8 a...

A:

Q: - An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of elect...

A:

Q: If you know that xFxj+vjt+0.5at and vFVi+at Based on the two equations y=0.85x2+0.41x+0.7 y=1.72x+0....

A: Given equations of motion :y = 0.85x2 + 0.41x + 0.7y = 1.72x + 0.44To find : The instantaneous veloc...

Q: Wanda throws the power stone vertically upwards with an initial velocity of 24.32 m/s. Determine the...

A:

Q: when testing for current in a cable with five color-coded wires the author used a meter to test two ...

A: when testing for current in a cable with five color-coded wires the author used a meter to test two ...

Q: A bicycle generator rotates at 1500 rad/s, producing an 21.0 V peak emf. It has a 1.30 by 3.50 cm re...

A: We have Length of the rectangular coil, L=1.30×10-2m The breadth of the coil, B=3.50×10-2m E0=21.0V ...

Q: Light passes from air into ice with part of the ray reflected and part refracted. The reflected and ...

A:

Q: A marble rolls horizontally off a table that is 0.8 m tall. If the marble lands 0.6 m from the base ...

A:

Q: A piece of stone is thrown vertically upwards. It reaches the maximum height in 3 seconds. If the ac...

A: Given data :                   Final  velocity  of  stone  =  V                 Acceleration due  to...

Q: A thoughtful person on a bridge reflecting on his awesome Physics class sees a small stone by his fe...

A: Given  Information The person nudge the stone off the surface. Initial speed of the stone is v0=0 Ti...

Q: Work-energy theorem: A 7.0-kg rock is subject to a variable force given by the equation F(x) = 6.0 N...

A:

Q: A train travelling at 20 m s accelerates at 0.5 ms2 for 30 s. How far will it travel in this time ?

A: Given data :                     Initial velocity  =  u                       Time  =   t           ...

Q: A piece of stone is thrown vertically upwards. It reaches the maximum height in 3 seconds. If the ac...

A: Given: The time taken by the stone to reach the maximum height is 3 s. The acceleration due to gravi...

Q: A woman swims the length of a 120-m pool and back again (one lap) in 90 s with a constant speed.  2....

A:

Q: The gravitational force between two objects is 2700 N. What will be the gravitational force between ...

A:

Q: The following are electron carriers in a hypothetical biological system: Electron Carriers (E,) A (0...

A:

Q: A circular area with a radius of 5 cm lies in the xy-plane. What is the magnitude of the magnetic fl...

A:

Q: Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. B...

A:

Q: * Prove AEz0 whichis EsKEr PE Mgh

A: Given that:- Total energy is equal to sum of kinetic energy and potential energy.

Q: Find Young's modulus if the strain equal ( 0.0002) and stress equal ( 80 N/mm2) * O 0.0 8 O 0.016 O ...

A:

Q: Р (Рa) 800 B 600 400 A C 200 8 10 v (m³) 2 4 V 4. One mole of an ideal gas is taken through a closed...

A: one mole of ideal gas is taken through a closed cycle A->B->C->A.

Q: The National High Magnetic Field Laboratory once held the world record for creating the strongest ma...

A:

Q: Point charges Q1 = 5 µC and Q2 = -4 µC are placed at (3,2,1) and (-4,0,6), respectively. Determine t...

A: Given that Point charges Q1 = 5 uC and Q2 = -4 uC are placed at (3,2,1) and (-4,0,6), respectively. ...

Q: Ronnie kicks a soccer ball with an initial velocity of 16 m/s at an angle of 40° relative to the gro...

A:

Q: R2

A: Write the given data R1=10 cmR2=10.03 cmN=320 rpmL=25 cmT =torque=35 Nmω=2πN60=2π32060=33.510 rad/s ...

Q: 4. Two resistors dissipate the same amount of power. The potential drop across resistor A is four ti...

A:

Q: he figure represents a thin conducting loop placed in a uniform magnetic field directed perpendicula...

A:  According to faraday Law the voltage induced in a coil is equal to rate of change of magnetic flux ...

Q: 4. A pendulum consists of a mass M hanging at the bottom end of a massless rod of length 1, which ha...

A: The masses stick after the collision, the collision will be inelastic. Apply the momentum conservati...

Q: o The radiys of Curvat ure of surfaces double Convex len s are Ri=R2 = b0 Cm- The refractive index o...

A: Answer:-  Given  Radius (R1) = 50 cm  Radius (R2) = - 50 cm  Refractive index (n) = 1.5  Power of th...

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!