« previous next »

Author Question: A juggler throws two balls to the same height so that one is at the halfway point going up when the ... (Read 69 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 28, 2018
A juggler throws two balls to the same height so that one is at the halfway point going up when the other is at the halfway point coming down. At that point:
 a. Their velocities and accelerations are equal.
  b. Their velocities are equal but their accelerations are equal and opposite. c. Their accelerations are equal but their velocities are equal and opposite. d. Their velocities and accelerations are both equal and opposite. e. Their velocities are equal to their accelerations.

Question 2

A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s. One tenth of a second after he leaves the bench, to two significant figures, the magnitudes of his velocity and acceleration are:
 a. 10 m/s; 9.8 m/s2.
  b. 9.0 m/s; 9.8 m/s2.
  c. 9.0 m/s; 9.0 m/s2.
  d. 1.0 m/s; 9.0 m/s2.
  e. 1.0 m/s; 9.8 m/s2.


Mochi

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
The energy set-point view that is the basis of many people’s thinking about hunger and eating. The energy set-point view that is the basis of many people’s thinking about hunger and eating.
Fundal height measurement Fundal height measurement
An example of continuous variation: biology students organized according to height. An example of continuous variation: biology students organized according to height.
Point Mutations Point Mutations
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library