This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 2 900-kg truck moving at 11.0 m/s strikes a car waiting at a traffic light, hooking bumpers. The ... (Read 60 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
A 2 900-kg truck moving at 11.0 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together at 7.00 m/s. What was the mass of the struck car?
 a. 4 750 kg
  b. 7 460 kg
  c. 1 760 kg
  d. 1 660 kg
  e. 4 560 kg

Question 2

During a snowball fight two balls with masses of 0.30 and 0.70 kg, respectively, are thrown in such a manner that they meet head-on and combine to form a single mass. The magnitude of initial velocity for each is 12.0 m/s. What is the speed of the 1.0-kg mass immediately after collision?
 a. zero
  b. 4.8 m/s
  c. 12 m/s
  d. 8.4 m/s
  e. 3.6 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

phuda

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

b


kwoodring

  • Member
  • Posts: 560
Reply 2 on: Jul 28, 2018
Wow, this really help

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Gorillas moving in habitat Gorillas moving in habitat
The inhibitory response of rods to light. When light bleaches rhodopsin molecules, the rods’ ... The inhibitory response of rods to light. When light bleaches rhodopsin molecules, the rods’ ...
Interactions of Light and Matter Interactions of Light and Matter
Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation. Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation.
Dash Warning Lights: Coolant Temperature Light Dash Warning Lights: Coolant Temperature Light
Light palpation Light palpation
Video: Neural Reflex Arc Animation

For a complete list of videos, visit our video library