A student examining a flashlight observes that it uses a traditional incandescent light bulb. The power rating of the bulb is 60 W, and the bulb is connected 24 V. What is the current in the bulb?

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: 9. A container made of a metal has a mass of 3.5 kg and contains 19 kg of water. A 0.050 kg cube of…

A: The temperature at which ice melts is called the melting point. The melting point of ice is 0 °C.

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: 1. A square plate has a side length of 1.20m. A 24.0N⋅m torque is applied about an axis…

A:

Q: The average intensity of the solar radiation that strikes the Earth normally (just outside the…

A: Intensity I=1.4 KW/m2= 1400 W/m2 Mean Earth - sun distance r= 1.5*108 m Speed of Light c=3*108 m/s…

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: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Above. 20. Estimate the wavelength at which the Sun emits the most light. Assume that the average…

A: Temperature (T) = 5800 k

Q: A lacrosse player provides a torque to a ball at the end of their stick, which provides it with an…

A: Given data: Moment of inertia (I) = 0.5 kg.m2 Angular acceleration (α) = 700 rad/s2 Required: Torque…

Q: The motion of a particle is defined by the relation x = 21³ – 15t² + 24t + 4, where x is expressed…

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: 12. Can you make the particles of any of the substances stop moving?

A: Answer to this question is no. even at aboslute zero temperature particles are still in vibration .…

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: 44. (a) What is the equivalent resistance between points A and B? (b) A 276-V emf is connected to…

A:

Q: Problem 8: Penny is adjusting the position of a stand up piano of mass m, = 220 kg in her living…

A: Part (a) Minimum force Fs is, Fs,min=Ffr2=μsmpg2

Q: Three forces when added produce a resultant force that is 100N pointing 65° above the +x – axis. If…

A:

Q: question 43 please

A: Use Kepler’s third law to find the mass of Mars.

Q: 1.A motorboat was moving E 20° S] at 50.0 km/h. The operator then turned the boat E 20° N] and…

A: 50kmph E 20° S  30kmph E 20° N  East and West as X axis  North and South as Y axis  T= 5min

Q: 1. A skier is coming down the hill. What are the forces acting parallel to the slope of the hill?…

A:

Q: 8. From Ampere's law, it can be shown that the magnetic field B inside a long solenoid is B = HonI…

A:

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: I need help with question 10 please.

A:

Q: r from the starter cable of a car, carrying 140 A, must you be to experience a field less than the…

A: Current(I)=140A Magneticfield(B)=5.10×10-5 T

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.

Estimate of calculation