Other Physics Answers

A galvanometer of resistor 10 ohms gives a full scale deflection when a current of 50amphere flow through it.

How can it be converted to an ammeter to measure a current of 5Amphere?

How can it be converted to a voltmeter to measure a voltage of 3volts?

1. A 1 kg object is located at a distance of 6.4 x106 m from the center of a larger object whose mass is 6.0 x 1024 kg. 
2. What is the size of the force acting on the smaller object? 
3. What is the size of the force acting on the larger object? 
4. What is the acceleration of the smaller object when it is released? 
5. What is the acceleration of the larger object when it is released? 

Gold has a face centered cubic unit cell and has the density 𝟏𝟗. 𝟑 𝒈 𝒄𝒎−𝟑 . Calculate the length along an edge. (𝐴𝑢 = 197 𝑔 𝑚𝑜𝑙 −1 )

What do you mean by the Young’s modulus for steel is 𝒀 = 𝟐. 𝟎 × 𝟏𝟎𝟏𝟏 𝑵𝒎−𝟐

? Explain

briefly.

Illustrate on the equations of gravitational potential energy and elastic potential energy as the quantities vary, for instance double or triple the value of quantities.

What is the specific heat capacity of a 10, k, g,

10kg object that needs 2, point, 1, times, 10, to the power 5 , J,

2.1×105

J to have its temperature raised by 5, point, 0, degrees, C,

5.0∘

C?

A load of 60kg is pushed up a 400m inclined plane of a platform 3m high, what is the velocity ratio of the plane

The brakes of a 1000-kg car exert 3000 N. (a) How long will it take the car to come to a stop from a velocity

of 30 m/s? (b) How far will the car travel during this time

Gold has a face centered cubic unit cell and has the density 𝟏𝟗. 𝟑 𝒈 𝒄𝒎−𝟑 . Calculate the length along an edge. (𝐴𝑢 = 197 𝑔 𝑚𝑜𝑙 −1 ) 

a vehicle is travelling at 70km/h and a child ran onto the road 120m in front. can the driver avoid the child.