A catcher stops a 0.15-kg ball traveling at 40 m/s in a distance of 20 cm. What is the magnitude of the average force that the ball exerts against his glove?
What will be an ideal response?
600 N
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LMC X-3 is a binary system that is believed to contain a black hole
Indicate whether the statement is true or false
Compared to its rotational axis, Jupiter's magnetic field
A) is exactly in alignment. B) lies about 10 degrees off, much like our own rotation and magnetic field. C) is tilted about 23.5 degrees, much like our own axial tilt. D) is tilted 98 degrees, much like the case of Uranus. E) has yet to be detected.
A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s2. Through what angle has the wheel turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad B) 316 rad C) 697 rad D) 66.8 rad E) 948 rad
A charge has an initial velocity parallel to the y-axis in E and B fields. Both fields point along the x axis. Which of the following statements regarding the charge's motion are correct?