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A race car moving with a constant speed of 60 m/s completes one lap around a circular track in 50 s. What is the magnitude of
3 answers
7,670 views
A ball thrown vertically from ground level is caught 3s later when it is at its highest point by a person on a balcony which is
5 answers
1,978 views
A rock is thrown downward from an unknown height above the ground with an initial speed of 10m/s. It strikes the ground 3s
1 answer
1,296 views
The position of a particle moving along the x axis is given by x = (21 + 22t − 6t^2)m, where t is in s. What is the average
1 answer
4,588 views
An Earth satellite moves in a circular orbit 616 km above the Earth's surface. The period of the motion is 96.8min.
(a) What is
3 answers
600 views
In the figure below, a stone is projected at a cliff of height h with an initial speed of 44m/s directed 60° above the
2 answers
878 views
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 14 m/s.
2 answers
773 views
Let = 2 î + 3 ĵ and = 2 î - 2 ĵ. Find the magnitude of the following.
(a) and (b) + (c) - - 2
3 answers
343 views
A ball spins on a 0.5m-long string with a speed of 3.8m/s. Calculate the acceleration of the ball.
2 answers
577 views
A ball is thrown directly downward, with an initial speed of 11m/s, from a height of 56m. After what time interval does the ball
2 answers
575 views
An airplane starts from rest and accelerates at 11.5m/s^2. What is its speed at the end of a 655m runway?
4 answers
734 views
A ball is tossed vertically upward with an initial speed of 18.2 m/s. How long does it take before the ball is back on the
2 answers
975 views
The velocity as a function of time for a car on an amusement park ride is given as v = At2 + Bt with constants A = 2.9m/s3 and B
1 answer
1,606 views
The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 2.3m/s3, B = 1.8m/s2,
3 answers
3,868 views
The position of a particle moving along the x-axis is given by
x = (13 + 11t − 1.5t2), where t is in seconds and x is in
1 answer
974 views
Answers (11)
thank you so much thank you
the real answers are 1C 2C 3B 4D 5B 6C 7C 8D 9 D 10 A 11 B 12A 13C 14A 15A 16C 17B i do not lie but make shure it is the write test pleas
Kid is rong trust me
i need the answers for unit 3 lesson 18
Henry do I use the same equation to solve for #2 too or it is just for #1?
how do I solve for these two physics questions #1on the top and #2 on the bottom
A race car moving with a constant speed of 60 m/s completes one lap around a circular track in 50 s. What is the magnitude of the acceleration of the race car?
very helpful information. I need a teacher like you.
Let = 2 î + 3 ĵ and = 2 î - 2 ĵ. Find the magnitude of the following. (a) Eand F (b) E+F (c) -E – 2F
Sorry , I'm new user to jiskha
An airplane starts from rest and accelerates at 11.5m/s2. What is its speed at the end of a 655m runway?
