A potential difference of 5 V is placed across a solid cylindrical resistor. The potential difference produces a current of 2A passing through the resistor. If the diameter of this resistor is now tripled, the current will be O 21A 180A O (21/4)A O None of the above

Q: The direction of the magnetic field due to moving proton and the force direction is given out of the…

A:

Q: You are driving at 25m/s. In order to pass a slow car, you increase your speed to 30m/s. It takes 5…

A: Given: Initial speed of car vi = 25 m/s final speed vf = 30 m/s time taken to reach final speed t =…

Q: Light travels in a straight line at a constant speed of 300,000 km/s. What is the acceleration of…

A:

Q: How much force is needed to accelerate a 50 kg skier at 3 m/sec?

A: Write the given values with suitable variables. m=50 kga=3 m/s2 Here, m denotes the mass and a…

Q: A car is moving at a speed of 50 km/h. Its speed expresses in m/s is 25 m/s 13.8 m/s 20 m/s 30…

A: Speed of car (u) = 50 kmhr Using conversion factor : 1 km = 1000 m 1 hr = 3600 seconds

Q: Johnny drives on a freeway at a constant speed of 100nmph and in a straight line, what is happening…

A: Acceleration is the rate of change of velocity.

Q: What is the acceleration of a car that moves at a steady velocity of 100 km/h for 100 s? Explain…

A: Write the expression for acceleration.

Q: Consider the pipe assembly in the Figure below. The applied forces are defined as F1 = (100i -120j…

A: Given: The applied force is given by F→1 = (100 i^ -120 j^ + 75 k^) kNF→2 = (-200 i^ +250 j^ + 100…

Q: What is acceleration? Acceleration is a change in over time.

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Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

A: Given value--- acceleration = 4 m/s2.  mass = 6 kg. We have to find--- force ?

Q: If a force of 10 N accelerates an object 2 m/s?, the object's mass is kg

A: Given Force on an object = 10 N acceleration of an object = 2 m/s2 We have to calculate the mass of…

Q: What is the weight (in Newtons) of a 19 kg object

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Q: 2,3,1

A:

Q: 3,1,2

A: 3) Given that the kinetic energy of the is 75000 J and mass is 330 Kg  The formula used to calculate…

Q: Is the turtle speeding up or slowing down? Why?

A: Answer  the turtle is speeding up

Q: A car has a final velocity of 10 m/s and an acceleration of 2 m/s2. If it has been moving for 8…

A: Given: The final velocity of the car is 10 ms-1. The acceleration of the car is 2 ms-2. In the…

Q: Decades describe as and 60MPH describe as 1. distance  2. time 3. speed 4. velocity  5.…

A: The Decades is a period of 10 years.  Miles per hour is the unit of speed

Q: Six slits in a diffraction grating. A set of waves is spreading out from each of the slits. Six…

A: λ=658nm

Q: Rank these speed measurements in increasing order from smallest (1) to greatest (5):   54.9 mi/h…

A: There are various speeds with different units and we have to rank these speed measurements in…

Q: The values below in boxes should be written in scientific notation: 8002 x 107 -10 1000 5 J.…

A: (i) 8002×10-10 m ⇒8002×10-10 m=8.002×103×10-10 m=8.002×10-7 m

Q: Why is it important to use proper equipment in playing badminton?

A: Investing in quality badminton equipment might be the difference between being a good player and…

Q: A bird flies 320 m south in 45s. What is the bird's speed O 0.14 m/s south 7.1 m/s 0.14 m/s O 7.1…

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Q: prave JA A -31

A:

Q: A cyclist, starting from rest, travels in a straight line for 10 minutes. 1. During the first 2.0…

A: Given the uniform acceleration is 0.067 m.s-2 for the first two minutes. Therefore the velocity for…

Q: How far is your friend's house in New York if it takes you 5 hours to get there and your speed is 35…

A:

Q: What force would be needed to produce an acceleration of 4m/s² in a ball of mass 6 kq ?

A: Given data : Mass is represented by m Acceleration is represented by a   Required : Force

Q: What is the weight of an object (on earth) that has a mass of 45 kg?

A: Given data The mass of the person is an object as m = 45 kg.

Q: If the applied force on an object is 30 N and accelerates it at 3 m/s2, what is the mass of the…

A: According to newton's second law force on the object is equal to multiplication of mass and…

Q: What is the force required to bring the aircraft to a safe halt? (in N)?

A:

Q: If the acceleration of an object is 6 m/s2, how much does the object’s velocity change each second

A: Given: The acceleration of the object is 6 m/s2. The time difference is 1 s. Introduction: The rate…

Q: A car is moving on a straight road 8 m/s. It is acceleration at 22 m/s². What will be it's velocity…

A: Given data :                     Acceleration     =     a                    Initial velocity    =…

Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…

A:

Q: A car begins from rest and reaches a speed of 20 m/s in 5 seconds. The acceleration of the car is…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 20 m/s Time (t) = 5 s Required:…

Q: How large of a net force is required to accelerate a 1,592 kg car from rest to a speed of 13.7 m/s…

A: According to Newton's second law F = ma

Q: A bicycle moves from rest to 7.0 m/s in 3.6 seconds. What was the acceleratioll! Your Answer: Answer…

A: Given, initial velocity of bicycle  = 0 m/sfinal velocity of bicycle = 7.0 m/stime = 3.6sWe know…

Q: 7,8,9

A:

Q: Mariana puts the pedal to the metal and increases her speed as follows. 0 miles per second at 0…

A: Acceleration of the car is a=vf-vitf-ti 0 miles per second at 0 seconds and 5 miles per second at 1…

Q: A 0.005 kg vinyl "record" with a diameter of 0.3 m is spinning at a rate of 1 m/s. How much…

A: Given:- Mass of the vinyl record is m=0.005 kg. Diameter of the record is d=0.3 m. Speed of the…

Q: A group of Albany State University students decide to drive 554 miles to South Beach, Florida for…

A: Given data: Distance, D=554 miles Average velocity, vavg=65 miles/hour Our question is to find the…