What must average speed of the car be during the last min

Reference no: EM13306499

During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if the car is to have an average of 21 m/s for the entire trip?

Reference no: EM13306499

Questions Cloud

Compute the coefficient of volume expansion of the liquid : A flask is filled with 1.58 L (L = liter) of a liquid at 100 °C. When the liquid is cooled to 13.3 °C, What is the coefficient of volume expansion of the liquid

Write a program that creates two vectors from x-one : write a program that creates two vectors from x-one (call it P) that contains the positive elements of x, and a second (call it N) that contains the negative elements of x. In both P and N, the elements are in the same order as in x.

Determne the angular velocity at the instint theta : When theta=0 degrees , the assembly is held at rest, and the torsional spring is untwisted. If the assembly is released and falls downward, determne the angular velocity at the instint theta=90.

Find the change in the period of the heated pendulum : A simple pendulum consists of a ball connected to one end of a thin brass wire. find the change in the period of the heated pendulum

What must average speed of the car be during the last min : During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if the car is to have an average of 21 m/s for the entire trip

Determine the angular acceleration of this turntablr : When the power is turned off on a turntable spinning at 67.0 rpm, you find that it takes 13.0 revolutions for it to stop while slowing down at a uniform rate. What is the angular acceleration (in rad/s^2), of this turntable

Determine the maximum bending stress on the outside surface : A concentrated moment is applied to the free end. Determine the maximum bending stress on the outside surface of the cylinder and the maximum bending stress on the inside surface of the cylinder.

Determine how far apart must two diameter tanks be placed : How far apart must two 18 , diameter tanks be placed such that their stress overlap is not greaer than 10% of the contact stress at depths of 10, 20, and 30 m

Determine how much energy does it deliver into a home : A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.88 x 103 W. How much energy does it deliver into a home during 2 h of continuous operation

User Account

All Pages