Question: An electric car is being designed to have an average power output of 4,000 W for 2 h before needing to be recharged. (Assume there

An electric car is being designed to have an average power output of 4,000 W for 2 h before needing to be recharged. (Assume there is no wasted energy.)
(a) How much energy would be stored in the charged batteries?
(b) The batteries operate on 30 V. What would the current be when they are operating at 4,000 W?
(c) To be able to recharge the batteries in 1 h, how much power would have to be supplied to them?

Step by Step Solution

★★★★★

3.37 Rating (150 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a To calculate the energy stored in the charged batteries we can use the formula Energy in watthours ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Inquiry into Physics Questions!

Mayne Manufacturing Co. has incurred substantial losses for several years and has become insolvent. On March 31, 20A, Mayne petitioned the court for protection from creditors and submitted the...

Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...

An electric car is designed to run off a bank of 12.0-V batteries with total energy storage of 2.00 x 107 J. (a) If the electric motor draws 8.00 kW, what is the current delivered to the motor? (b)...

A house is being designed to use a thick concrete floor mass as thermal storage material for solar energy heating. The concrete is 30 cm thick and the area exposed to the sun during the day time is...

An electric car is being designed to have an average power output of 1 , 0 0 0 W for 2 h before needing to be recharged. ( Assume there is no wasted energy. ) ( a ) How much chergy would be stored in...

Physics 03-04 Power Name: Homework 1. Is it correct to conclude that one engine is doing twice the work of another just because it is generating twice the power? Explain. 2. Explain, in terms of the...

END-OF-CHAPTER CASE BRINGING A NEW PRODUCT TO MARKET: THE STORY OF THE NISSAN LEAF In August 2009, the Nissan Motor Company unveiled the The electric motor that powers the Nissan LEAF has Nissan...

1.) Part A Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.40x10* N . one at an angle 12.0" west of north, and the other at an What is the total work done by the two...

**(I have plugged in all the below numbers into excel and need help answering the two questions using these two screenshots I've provided of the excel sheet)** Question: Use the Wind Energy Model 08,...

1. A 5.2-kg box slides a distance of 13.5-m. If the coefficient of kinetic friction is 0.33, what is the work clone by the friction force? J 2. During a workout, the football players at Rutgers State...

The following income statement and balance sheet information are available for two firms, Firm A and Firm B. (a) Calculate the amount of dividends Firm A and Firm B paid using the information given....

DateTransactionNumber of UnitsPer UnitTotal Jan 1Inventory2,500$6000$150,000 10Puchase7,5006800510,000 28Sale3,75012000450,000 30Sale1,25012000150,000 Feb 5Sale500$12000$60,000...

Consider two independent firms, BU 1 and BU 2 , which tranasct with each other through spot - market transactions in a competitive market. In a typical year, BU 1 incurs total costs of 2 million what...

7. Prove (11.9).

Find the peak-signal-squared-to-mean-squared noise ratio for the output of a matched filter for each of the following signals in terms of A and T. Take the noise spectral density (single-sided) as N...

(a) Find the optimum (matched) filter impulse response h 0 (t), as given by (9.45) for s 1 (t) and s 2 (t), shown in Figure 9.35. (b) Find Î¶ 2 as given (9.56). Plot Î¶ 2 versus...

Referring to Problem 9.11 for the general definition of a matched filter, find the following in relation to the two signals shown in Figure 9.34. (a) The causal matched-filter impulse responses....

Home Tools Chapter 14 Exercise. X 200% cash withdrawals, and the December 31 closing of the Income Summary and withdrawals accounts. 2. Determine the balances of the partners' capital accounts as of...

There is a key difference between common and scientific method of knowing. The common method of knowing. knowledge, while the scientific method of knowing. _ knowledge. "verifies, develops"...

In which of the following situations will the spousal credit be greatest for a married couple? Choose the correct answer @ A. One spouse has net income for tax purposes of $48000, while the other...