« previous next »

Author Question: The formula mg = kx describes a spring that is stretched by hanging an object on it. The constant k ... (Read 58 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
The formula mg = kx describes a spring that is stretched by hanging an object on it. The constant k is called the spring constant. What are its units?
 
  A) m s2/kg
  B) kg/s2
  C) kg s2
  D) s/m kg
  E) N m

Question 2

Daisy throws a rock horizontally with a speed of 12.0 m/s from a bridge. It falls 2.28 s before reaching the water below.
 
  (a) When the rock hits the water it is traveling with what horizontal component of velocity?
  (b) What was the total speed just before hitting the water?


efwsefaw

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

(a) 12.0 m/s
(b) 25.4 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b
How to find the constant (C) after finding the anti-derivative How to find the constant (C) after finding the anti-derivative
Nutritional Similarities between Infant Formula and Breast Milk Nutritional Similarities between Infant Formula and Breast Milk
The Global Positioning System determines the location of an object from its distances to ... The Global Positioning System determines the location of an object from its distances to ...
0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. The possible formula of ... 0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. The possible formula of ...
Video: Subunits of DNA And Semi Conservative Replication

For a complete list of videos, visit our video library