A 2.21-kg steel ball is dropped from a plane to an ocean. If the velocity of the ball just before reaching the water is 1.67 m/s and if the resistance in the water is 2.65v, what is the velocity of the steel ball 6 seconds into the water? Answer in four decimal places.

Q: An electric heater is rated 1500 W. How much energy does it use in 10 hours?

A: Given : P = 1500 W = 1.5 kWh T = 10 hours

Q: A body falls in a medium offering a resistance proportional to the speed at any time. If the…

A: Let v denote the instantaneous speed of the falling body. The force of gravity (weight W) acts on it…

Q: How many watts does a flashlight that has 6.00×102 C pass through it in 0.500 h use if its voltage…

A: Power is product of current and potential . P=IV       .....1 where I is current            V is…

Q: The figure shows a 20-cm-long metal rod pulled along two frictionless, conducting rails at a…

A:

Q: An electron moving in a wire collide again and again with atoms and travel an average distance…

A: The mean free path is the mean/average distance traveled by the particle before colliding with the…

Q: An electric heater is constructed by applying a potential difference of 108.4V across a wire with a…

A: Given, Potential difference V = 108.4 V Resistance R =5 ohms   We know the expression for power is…

Q: The resistance of a wire that is 105 cm long is 20.5 Q. After the temperature change, its resistance…

A: Information Given:- Length of the wire is l=105 cm Initial resistance of the wire is R0=20.5 Ω…

Q: A current of 0.6 A flows through a resistor with a voltage difference of 120 V across it. What is…

A: Given Current(I) = 0.6 A Voltage difference (V) = 120 V Resistance (R) = ? We know ohms law ,  V = I…

Q: Suppose 1.67 C of charge passes through the filament of a light bulb in 2.00 seconds. How many…

A: The charge is given as q=ne…

Q: An electric heater carries a current of 13.0 A when operating at a voltage of 1.50 x 102 V. What is…

A:

Q: A bullet of mass 20 g has an initial speed of 1 ms, just before it starts penetrating a mud wall of…

A:

Q: A total of 605 C of charge passes through a flashlight in 0.500 h. What is the average current in…

A: Charge , Q = 605 Ctime , t = 0.500 h

Q: A water-tank heater, with a resistance of 7 kN, is attached to a battery providing a voltage of 7 V.…

A:

Q: An electric heater is rated 1500 W. How much energy does it use in 10 hours?

A: We know thatE=P×tHereE=EnergyP=Powert=Time

Q: What is the steady state value of the current through the battery

A:

Q: A light bulb has resistance of R= 150 Q and has a current of /= 1.1 A passing through it Express the…

A: Power in terms of I and R. Numerical value of Power(P) in W. Given, ResistanceR=150 ΩCurrentI=1.1 A…

Q: R4 70 0 QUESTION #6 Determine the equivalent resistance. Express R1 10 0 R3 50 2 R5 90 2 your answer…

A: The equivalent resistance of the circuitis 800/41 ohm.

Q: A 1-kg object falls from rest in a viscous fluid. The resistance from which is 0.368v. What is the…

A: Assuming,

Q: The "lead" in your pencil is actually graphite, a form of carbon. If the 0.7mm diameter "lead" was…

A: The resistivity of a material is the resistance of the material per unit length per unit…

Q: An electric heater is constructed by applying a potential difference of 127V across a wire with a…

A: Potential difference (V) = 127 V Resistance of the wire (R) = 5 ohms Power rating of the heater = P…

Q: How many watts does a flashlight that has 6.00×102 C pass through it in 0.500 h use if its voltage…

A:

Q: An electric heater carries a current of 19.0 A when operating at a voltage of 3.60 ✕ 102 V. What is…

A:

Q: Three resistors 10, 2 2, and 3 are combined in series. What is the total resistance of the…

A: Given data The First resistance is given as R1=1 Ω. The Second resistance is given as R2=2 Ω. The…

Q: You are working at a company that manufactures electrical wire. Gold is the most ductile of all…

A:

Q: An electric car is designed to run on a bank of batteries with a total potential difference of 23 V…

A: Given: The total potential difference is 23 V.            The total energy storage is 1.8×107 J.…

Q: A 1-kg object falls from rest in a viscous fluid. The resistance from which is 0.445v. What is the…

A: Mass of the object m=1 kg and resistive force from fluid F=0.445v. Using this we can make a…

Q: A current of 1.0 A is flowing through a resistance of 21 Ω. What is the voltage difference across…

A: Given : Current (I) = 1 A Resistance (R) = 21 Ω

Q: An electric heater carries a current of 14.0 A when operating at a voltage of 1.80 × 102 v. What is…

A: Given, Current=14A Voltage=1.80×10^2v Resistance=?

Q: An iron wire has a resistance of 78.7. m ohm at 20 degrees Celsius. When the wire carries a current,…

A: The temperature coefficient of resistance for iron is 0.0057 C-1 ...

Q: A 850 ft. conductor with a diameter of 0.08 inches has a resistance of 79.7 @ 20°C. What material is…

A: Given data: Length of conductor, l=850 ft=259.08 m Diameter, d=0.08 inches=2.032×10-3 m. Resistance,…