Calculate the average speed for the round trip

Assignment Help Physics
Reference no: EM131183391

Car travels up a hill at a constant speed of 31 km/h and returns down the hill at a constant speed of 75 km/h. calculate the average speed for the round trip.

Reference no: EM131183391

Questions Cloud

Rex is an achievement-oriented individual : Rex is an achievement-oriented individual. His firm always uses him during time crunches, as he is one of the most dependable members of his team. He sets goals that lead him to demonstrate high levels of performance. In this scenario, which of the f..
Substances that are initially involved in chemical reaction : substances that are initially involved in a chemical reaction
Cause uncertainty in cash budget for an enterprose : Describe elements which can commonly cause uncertainty in the cash budget for an enterprose and the rationale for each. If you are the CFO of a company what techniques would you use to cope with this uncertainty? How might this change in a very large..
What is a covalent bond : What is a covalent bond? Give examples of structure with covalent bonds
Calculate the average speed for the round trip : Car travels up a hill at a constant speed of 31 km/h and returns down the hill at a constant speed of 75 km/h. calculate the average speed for the round trip.
About the weighted average cost of capital : The target capital structure for QM Industries is 37 percent common stock, 9 percent preferred stock, and 54 percent debt. If the cost of common equity for the firm is 18.6 percent, the cost of preferred stock is 10.6 percent, the before-tax cost of ..
How far does the car move during that time : During a hard sneeze, your eyes might shut for 0.38 s. If you are driving a car at 96 km/h during such a sneeze, how far does the car move during that time?
Solid carbon--the c in the products side : Suppose I give you a 250 g block of pure TNT and you detonate it. How much carbon residue (solid carbon--the C in the products side of the equation), in grams, would be produced?
Selling for according to the cost-of-carry model : Suppose silver is currently selling at $4.23 per ounce in the spot market. Assume that the current risk-free rate (implied repo rate) is 3.75% and that silver contracts involve 5000 ounces each. Ignoring carrying costs and cash flows, what should the..

Reviews

Write a Review

Physics Questions & Answers

  Alan leaves los angeles at 800 am to drive to san fransisco

alan leaves los angeles at 800 am to drive to san fransisco 400 mi away. he travels at a steady 50mph. beth leaves los

  How much energy is lost per hour in its exhaust

A car not engine has a power output of 150 kW. The engine operates among two reservoirs at 20.0oC and 500oC. A) How much energy does it take in per hour? B) How much energy is lost per hour in its exhaust?

  Determine the acceleration of the hanging block

A block of mass m1 = 6.67 kg on a frictionless plane inclined at angle ? = 33.6° is connected by a cord over a massless, What is the acceleration of the hanging block

  Calculate the pressure on the outer cylindrical surface

A cylindrical ring has an outer diameter D, an inner diameter d, and a width w. A solid cylindrical disk of diameter (d + Φd) and width w is press fit completely into the ring. If the ring were thin (i.e., (D-d) is very small), how could you calcul..

  What is the range of wavelengths for am radio signals

AM radio signals are broadcast at frequencies between 530 kHz and1605 kHz (kilohertz) and travel 3.0 108 m/s. What is the range of wavelengths for these signals.

  Find the resulting amplitude of motion of the remaining mass

A mass m is connected to the bottom of a vertical spring whose force constant is k. Attached to the bottom of themass is a string that is connected to a second mass m, asshown in the figure . Both masses are undergoing simple harmonicvertical moti..

  Assuming she starts from rest and accelerates

A baseball player runs 27.4meters from the batter's box to first base,overruns first base by 3.0 meters,and then returns to first base. Compared to total distance traveled by the player,the magnitude of the players total displacement from the batt..

  What is the arc length traveled by the particle

A particle moves through an angle of 45o on a circle whose radius is 85 cm. What is the arc length traveled by the particle

  Find out displacement and average velocity

Then, 25 s later, the cyclist is 45 m due north of the flagpole, going due east with a speed of 12 m/s. For the cyclist in this 25 s interval, find out each of the following. (a) displacement (b) average velocity (c) average acceleration

  Compute the zero-point energy associated with its rotation

What is the smallest quantum of energy that can be absorbed by the molecule in a rotational excitation? What is the smallest quantum of energy that can be absorbed in a vibration excitation? In what regions of electromagnetic spectrum do the transiti..

  Electric currents in identical fixed and movable wires

In a typical experiment to study the force between electric currents in identical fixed and movable wires, the centres of the wires were separated 0.687 cm and the length of the movable wire was 26.5cm. The apparatus was set up so as to produce an..

  What is the sound intensity of a trumpet

trumpet creates a sound intensity level of 1.23 x 10^2 dB at a distance of 0.80 m. What is the sound intensity of a trumpet

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd