A person travels by car from one city to another with

Assignment Help Physics
Reference no: EM13637993

A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 85.0 km/h, 7.0 min at 70.0 km/h and 50.0 min at 60.0 km/h, and spends 40.0 min eating lunch and buying gas.

(a) Determine the average speed for the trip.

(b) Determine the distance between the initial and final cities along this route.

Reference no: EM13637993

Questions Cloud

Large electric fields in cell membranes cause ions to move : large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical
Rates of reactions can be determined by monitoring the : rates of reactions can be determined by monitoring the change in concentration of either reactants or products as a
Find the upward velocity from which the insect takes off : the froghopper philaenus spumarius is supposedly the best jumper in the animal kingdom. to start a jump this insect can
Calculate the temperature of the gas in the tank when the : during an emergency launch operation to fill a missile with rp-4 the volume of a well insulated fuel storage tank is
A person travels by car from one city to another with : a person travels by car from one city to another with different constant speeds between pairs of cities. she drives for
Develop equations which may be solved to give the final : develop equations which may be solved to give the final temperature of the gas remaining in a tank after the tank has
If the plate separation of the capacitor is decreased by a : a given capacitor is connected to a 12.0 v battery and when fully charged stores 3.67 x 104 j of energy. if the plate
When 2-phenyl-2-butene was treated with h2so4 and h2o a : when 2-phenyl-2-butene was treated with h2so4 and h2o a compound with molecular formula c20h24 was isolated as a side
Determine the air temperature at the limiting pressure : a cubic tank 1m3 is filled with air at 280k and 100 kpa. it is fitted with a relief valve that will vent at 600 kpa.

Reviews

Write a Review

Physics Questions & Answers

  What angle does the plane make with the horizontal

A solid sphere with a radius of 75 mm rolls (without slipping#) down from rest along an inclined plane that is 5 m long. What angle does the plane make with the horizontal

  Find what was the balls initial speed

A golf ball is hit horizontally from the edge of a ramp. It lands at an elevation 200 m below and its trajectory upon landing is 45° angle below the horizontal

  How many electrons are emitted from a square

Ultraviolet light is incident normally on the surface of a certain substance. The binding energy of the electrons in this substance is 3.44 eV. How many electrons are emitted from a square centimeter of the surface each second

  Determine whether the collision is elastic or inelastic

Imagine two blocks before and after colision. Initially the left hand block of mass m1 = 2 kg is moving towards the right at v = 1 m/s. Determine whether the collision is elastic or inelastic

  What is the temperature of the air after the compression

In a diesel engine, the piston compresses air at 302 K to a volume that is one-sixteenth of the original volume, What is the temperature of the air after the compression

  How much of the rope unwinds in this time interval

A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. How much of the rope unwinds in this time interval

  Two groups of canoeists meet in the middle of a lake

Two groups of canoeists meet in the middle of a lake. After a brief visit, a person in canoe 1 pushes on canoe 2 to separate the canoes. Suppose the speeds of the two canoes after they are pushed apart are 0.40 m/s for canoe 1 and 0.28 m/s for canoe ..

  In her job as a dental hygienist kathryn uses a concave

in her job as a dental hygienist kathryn uses a concave mirror to see the back of her patients teeth. when the mirror

  The scientific method is used by scientists to understand

the scientific method is used by scientists to understand the natural laws that the universe obeys. scientists are not

  Find the net electrostatic force on charge

charge q1=1.4x10-8C is placed at the origin. Charges q2=-1.8x10-8C and q3=2.1x10-8C are placed at points (0.18m , 0m) and (0m , 0.24m)

  How much is the average back emf induced across the ends of

an air-cored solenoid with length 30 cm area of cross-section 25 cm2 and number of turns 500 carries a current of 2.5

  Hamiltonian for each pendulum is an ellipse

Consider a large number of simple pendulums each of length b and massm, which possess energies lying between E1 and E2. Show that the Hamiltonian for each pendulum is an ellipse.

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