Question

A motorist drives north for 29.0 minutes at 70.5 km/h and then stops for 15.0 minutes....

A motorist drives north for 29.0 minutes at 70.5 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km in 1.60 h.

(a) What is his total displacement?
________ km

(b) What is his average velocity?
________ km/h

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its...
A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its final velocity is 70.0 km/h in the direction 40.0° south of east. If the time period for this journey is 30.0 minutes, what is the magnitude of the car’s average acceleration? a) 92.8 km/h/h b) 250 km/h/h c) 186 km/h/h d) 3.94 km/h/h
A hiker walks 3.55 km north and then 2.50 km east, all in 4.00 hours. (a)Calculate...
A hiker walks 3.55 km north and then 2.50 km east, all in 4.00 hours. (a)Calculate the magnitude (in km) and direction (in degrees north of east) of the hiker's displacement during the given time. magnitude in km direction ° north of east (b)Calculate the magnitude (in km/h) and direction (in degrees north of east) of the hiker's average velocity during the given time. magnitude in km/h direction ° north of east (c)What was her average speed (in km/h) during...
A woman drives a car from one city to another with different constant speeds along the...
A woman drives a car from one city to another with different constant speeds along the trip. She drives at a speed of 30 km/h for 20.0 min, 53 km/h for 15.0 min, makes a stop for 38 min, then continues at 39 km/h for 35 min, at which point she reaches her destination. What is her average velocity for the entire trip, in km/hr?
. A boat crossing a wide river moves with a speed of 15.0 km/h relative to...
. A boat crossing a wide river moves with a speed of 15.0 km/h relative to the water. The water in the river has a steady speed of 6.00 km/h due east relative to the earth. a) If the boat heads due north, determine the speed of the boat relative to an observer standing on the shore. b) What is the angle made between the velocity of the boat relative to the observer and the north direction? c) At what...
A car drives north at 50 mi/h for 10 min and then turns east and goes...
A car drives north at 50 mi/h for 10 min and then turns east and goes 5.0 mi at 52 mi/h. Finally, it goes southwest at 32 mi/h for 6.0 min. a) Determine the car's displacement. Express your answers using two significant figures separated by a comma. Assume that the positive xxx and yyy axes are directed to the east and north, respectively. b) Determine its average velocity for this trip. Express your answers using two significant figures separated by...
A woman drives a car from one city to another with different constant speeds along the...
A woman drives a car from one city to another with different constant speeds along the trip. She drives at a speed of 90.0 km/h for 25.0 min, 75.0 km/h for 15.0 min, makes a stop for 50.0 min, then continues at 40.0 km/h for 30.0 min, at which point she reaches her destination. (a) What is the total distance between her starting point and destination (in km)? km (b) What is the average speed for the entire trip (in...
1. An 1850-kg truck traveling westward at 70.5 km/h collides at an intersection with a 975-kg...
1. An 1850-kg truck traveling westward at 70.5 km/h collides at an intersection with a 975-kg automobile traveling northward at 97.8 km/h. (Hint: Convert km/h to m/s.) The vehicles lock together after the collision. (a) Sketch the situation and label the variables. (b)What is the x- and y-component of the initial momentum? (c) What is the momentum (vector) before collision? (d) Where’s the truck and the automobile combined headed to immediately after collision? (e) What is the momentum after collision?...
My Notes A motorist drives south at 20.0 m/s for 3.00 min, then turns west and...
My Notes A motorist drives south at 20.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.40 min trip, find the following values. (a) total vector displacement m (magnitude)  ° south of west (b) average speed m/s (c) average velocity m/s (magnitude)  ° south of west
A car drives north at 34 mi/h for 10 min and then turns east and goes...
A car drives north at 34 mi/h for 10 min and then turns east and goes 5.0 mi at 50 mi/h . Finally, it goes southwest at 28 mi/h for 6.0 min. Determine the car's displacement. Express your answers using two significant figures separated by a comma. Assume that the positive xand y axes are directed to the east and north, respectively. Determine its average velocity for this trip. Express your answers using two significant figures separated by a comma....
A 1990 kg truck traveling north at 45 km/h turns east and accelerates to 56 km/h....
A 1990 kg truck traveling north at 45 km/h turns east and accelerates to 56 km/h. (a) What is the change in the truck's kinetic energy? (b) What is the magnitude of the change in its momentum?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT