Register
A car travels a distance of 65 km. For the first 30 minutes, it is driven at a constant speed of 70 km/hr. The motor begins to vibrate and the driver reduces the speed to 20 km/hr for the rest of the trip.
134k views
1 vote
A car travels a distance of 65 km. For the first 30 minutes, it is driven at a constant speed of 70 km/hr. The motor begins to vibrate and the driver reduces the speed to 20 km/hr for the rest of the trip. The average speed for the entire trip is?

User Neron
by
4.5k points

2 Answers

3 votes
The answer is 53.3 km/hr
User JustLogic
by
5.6k points
4 votes

Answer : 53.3 km/hr.

Step-by-step explanation

User VorteXavier
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

A space shuttle is approaching the surface of the moon to land. It approaches the moons surface with an initial velocity of 28m/s and is slowing at a rate of -2m/s^2. Show all work and units for problems.
An object is thrown downward with an initial velocity of 3 feet per second. The relationship between the distance s it travels and time t is given by s = 3t + 16t2. How long does it take the object to
5. What happens to the arrangement of water molecules as ice melts? A Molecules gain enough energy to escape as vapor. B Molecules release enough energy to escape as vapor. C Molecules gain enough energy
The water at Niagara Falls drops through a height of 55.0 m. If the water’s loss of gravitational potential energy shows up as an increase in temperature of the water, what is the temperature difference
A projectline is shot from the edge of a cliff 100 m above the ground with intial speed 10 m/s at an angle 30 with the horizontal. 1) determine the time taken by the projectile motion to hit the ground
Link Copied!