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amanda and leah
Questions and answers by visitors named
amanda and leah
Questions (17)
A(n) 7 g bullet is fired into a 122 g block that is initially at rest at the edge of a frictionless table of height 0.9 m. The
2 answers
467 views
Two small spheres of mass 451 g and 695 g are suspended from the ceiling at the same point by massless strings of equal length
6 answers
2,105 views
A(n) 5.52 g bullet is fired into a(n) 3.07 kg ballistic pendulum and becomes embedded in it.The acceleration of gravity is 9.8
4 answers
1,219 views
A cannon is rigidly attached to a carriage,which can move along horizontal rails but is connected to a post by a large spring,
5 answers
3,320 views
A cannon is rigidly attached to a carriage,which can move along horizontal rails but is connected to a post by a large spring,
4 answers
1,595 views
A 0.105 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.77 kg object hangs vertically
2 answers
589 views
A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw.
How far from the 450.8 N child should the pivot be
2 answers
624 views
A student is about to do a push-up. Her
center of gravity lies directly above P on the floor, which is 1.2 m from her feet and
2 answers
609 views
A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw.
How far from the 450.8 N child should the pivot be
4 answers
1,762 views
The frequency of oscillation of the wave emitted by an FM radio station is 80.9 MHz. Find the period of vibration. Radio waves
1 answer
638 views
A spherical Christmas tree ornament is
5.34 cm in diameter. What is the magnification of the image of an object placed 10.3 cm
3 answers
993 views
Camera lenses are described in terms of their
focal length. A 50 mm lens has a focal length of 50 mm. A camera is focused on an
2 answers
701 views
NOTE: the formula for converting the
CHANGE in temperature is NOT the same as simply converting the temperature! A bridge is made
1 answer
493 views
Three point charges are arranged as shown.
− + + −6.1 nC and 1.6 nC .4m apart 1.6 nC and 3 nC .088m apart What is the
2 answers
1,070 views
On a drive from your home to town, you
wish to average 52 mph. The distance from your home to town is 106 miles. However, at 53
4 answers
2,667 views
Part 1
A motorist traveling at 17 m/s encounters a deer in the road 48 m ahead. If the maximum acceleration the vehicle’s
1 answer
697 views
a typical automobile has a maximum deceleration of about 7m/s2, the typical reaction time to engage the brakes is 0.50s. A
2 answers
579 views
Answers (5)
the sum of foce doesn't work-- can you arrange it in a sum of Torque please?!?!?!?! and can you please rearrange the last part
the sum of foce doesn't work-- can you arrange it in a sum of Torque please?!?!?!?!
Can you help me set up the conservation of momentum in the X direction please? once I figure that out i'm sure I can get it but I can't quite figure that out
Thank you so much!!!! That is extremely helpful! Our names sound like a fishing vessel? Leah and I are twins so we post one and figure out how to do it and then do the others a well :D
oh and the rest of the question... B) After the lighter sphere is released and collides with the heavier sphere at the bottom of its swing, the two spheres immediately bind together. What is the speed of the combined system just after the collision? Answer
