3. A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10-2 What is the resistivity of the metal?

Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…

A:

Q: A converging lens (f=+20.0 cm) is located 60.0 cm to the left of a diverging lens (f=-30.0 cm). A…

A: Note: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 2. A person decides to swim across a river 84 m wide that has a current moving with a velocity of…

A: According to guideline I solve only first 3 subparts of question 2.

Q: 1. Why are several readings taken for each physical quantity? 2. A single reading taken with a meter…

A:

Q: A string on the violin has a length of 19.80 cm and a mass of 0.0752 g. The fundamental frequency of…

A:

Q: 4. What is the rate of heat transfer by radiation, with an unclothed person standing in a dark room…

A: Given, Ambient Temperature =24°C Skin temperature =32°C Surface Area =1.6 m2. Emissivity of skin…

Q: 8. A transformer is a device used to increase or decrease the voltage through induction. Which…

A: The positive charge accelerates along the direction of electric field.  So the charge ( which is…

Q: 6. A TRUCK ÁND A CÁR ARE MOVING IN .THE SAME DIRECTION AT CONSTANT SPEEDS. THE TRUGK IS 3.5 miles…

A:

Q: 1. 2. The parallel plates of an air capacitor are separated by 2.25 mm. Each plate carries a charge…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: Suppose we discovered a planetary body orbiting our Sun at a distance of 15 times the Earth-Sun…

A: We have to answer the questions given.

Q: Consider a sound wave moving through the air modeled with the equation s(x, t) = 3.00 nm cos(55.00…

A: Given:      Sx,t=3nmcos55m-1x-14×103s-1tHere wave number k=55 m-1       And…

Q: (a) In question 5, you compared the electric field at two points on the same equipotential line. Now…

A: 6. Part (a) The electric field strength is stronger at point W as compare to point Z because the…

Q: The magnitude of the magnetic field 47 cm from a long, thin, straight wire is 6.8 µT. What is the…

A:

Q: please answer both

A: Since there are multiple questions posted, we will answer the first question. Assume that the flow…