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

Author Question: A cannon of mass 1500 kg fires a 10-kg shell with a velocity of 200 m/s at an angle of 30 above the ... (Read 475 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 28, 2018
A cannon of mass 1500 kg fires a 10-kg shell with a velocity of 200 m/s at an angle of 30 above the horizontal. Find the recoil velocity of the cannon across the level ground.
 a. 1.15 m/s
  c. 2.41 m/s
  b. 0.94 m/s
  d. 1.94 m/s

Question 2

An electron (charge -1.6  10-19 C) moves on a path perpendicular to the direction of a uniform electric field of strength 3.0 N/C. How much work is done on the electron as it moves 20 cm?
 a. 1.6  10-20 J
  c. 4.8  10-20 J
  b. -4.8  10-20 J
  d. zero


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sailorcrescent

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


Wadzanai

  • Member
  • Posts: 528
Reply 2 on: Jul 28, 2018
Excellent

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

A completed CMS-1500 (02/12) claim form. A completed CMS-1500 (02/12) claim form.
Intradermal injections are administered at a 10–15° angle. Intradermal injections are administered at a 10–15° angle.
Variations in Solar Angle with Latitude Variations in Solar Angle with Latitude
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Two complementary angles are drawn such that one angle is 10 degree more than seven times the ... Two complementary angles are drawn such that one angle is 10 degree more than seven times the ...
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library