What is the average velocity for the entire trip

Assignment Help Physics
Reference no: EM13106209

A car travels a straight road at 130 km/h for 30min then at 50 km/h for 10min . It then reverses and goes at 80 km/h for 20min . What is the average velocity for the entire trip? What is the average speed for the entire trip?

Reference no: EM13106209

Questions Cloud

Calculate the tension in the rope : A gymnast of mass 62.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch.
Describe scientific controversy for evolutionary biology : Write down two-page essay which clearly describes scientific controversy surrounding topic and implications for your understanding of evolutionary biology.
How fast food restaurant measure its quality effectiveness : Discuss how a fast-food restaurant could measure its quality effectiveness using each of the following definitions of quality; product-based, user-based, value-based, manufacturing-base
What torque is created by these muscles : The Achilles tendon inserts on the calcaneus at a distance of 8cm from the axis of the ankle joint. The force generated by the muscles attached to the Achilles tendon is 3000N, and the moment arm of this force is 5cm. a) Draw a free body diagram o..
What is the average velocity for the entire trip : A car travels a straight road at 130 km/h for 30min then at 50 km/h for 10min . It then reverses and goes at 80 km/h for 20min . What is the average velocity for the entire trip? What is the average speed for the entire trip?
Determine the order quantity and reorder point : Item Cost - $7.00 Order Cost - $283.00 Annual Hold - 32% of item cost Annual Demand - 22,100 Average Demand - 442 per week Standard deviation of weekly demand 20 per week lead time - 1.
What is the direction of the electric field : Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field m..
What is the resulting kinetic energy of each electron : If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV, what is the resulting kinetic energy of each electron?
Calculate the annual capacity : Given the following data for Albert's fabricating production area: Fixed costs for one shift = $60,000 Unit variable cost = $7 Selling price = $12 Number of machines = 5

Reviews

Write a Review

Physics Questions & Answers

  Compute the frequency of this light

The alpha line in the Balmer series of the hydrogen spectrum consists of light having a wavelength of 6.56 ×10-7 meter. Compute the frequency of this light.

  How many days does it take for a perfect blackbody cube

How many days does it take for a perfect blackbody cube (0.0206 m on a side, 66.9 °C) to radiate the same amount of energy that a one-hundred-watt light bulb uses in one hour?

  What is the speed v_f of the package

For all parts, assume that the "island" refers to the point at a distance D from the point at which the package is released. Ignore the height of this point above sea level. Assume that the acceleration due to gravity is g = 9.80m/s^2. What is the..

  Basic science concepts in optics

Basic science concepts in optics like Which types of electromagnetic radiation can be seen from the surface of Earth.

  Determine the magnitude and direction of object

A person of mass 72-kg stands at the center of a rotating merry-go-round platform of radius 2.80 m and moment of inertia 930 kgcdot m^2. The platform rotates without friction with angular velocity 2rad/s. The person walks radially to the edge of t..

  Find the magnitude and direction of the average force

A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of - 1.2 m/s. Her hands are in contact with the wall for 0.8 s. Ignore friction and wind resistance.

  How much work does the electric field

How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.

  Find out the gravitational potential energy

Find out the gravitational potential energy

  Suppose that the fish is located very close to the surface

A cyclist is using cranks with a length of 17cm and a front sprocket of radius 10cm. while standing up she places her body weight onto the forward pedal. the crank is initially horizontal and the force in the pedal is equal to body weight. cyclist..

  How long the engines should be fired

The spacecraft's mass is 291 kg and the thrust (force) of the rocket engines is 59 N. If the speed of the spacecraft should be decreased by 128 m/s, how long the engines should be fired. (Ignore the change in mass as a result of the rocket engines..

  How would change if the box were sliding up the plane

The spheres are given the same electric charge Q and it is found that they come to equilibrium when each string is at an angle of 5 with the vertical. Each string is 30 cm long.

  Explodes,comparative to its firing point

A kayaker needs to paddle north across an 85 m wide harbor. The tide is going out, creating a tidal current that flows to the east at 1.7 m/s. The kayaker can paddle with the speed of 3.0 m/s.

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