A 0.25 kg particle moves in an xy plane according to -3.7 1542-43 and y(t) = 25 + 7t9t2, with x and y in x(t) meters and in seconds. NOTE: Express your answers in terms of t. (a) Find an expression at time t < 0.35 s for the magnitude of the net force on the particle (in newtons). F = √36 ²+20.25 (b) Find an expression at time t < 0.35 s for the angle (relative to the positive direction of the x axis) of the net force on the particle (in radians). 0 = 3.78 X
A 0.25 kg particle moves in an xy plane according to -3.7 1542-43 and y(t) = 25 + 7t9t2, with x and y in x(t) meters and in seconds. NOTE: Express your answers in terms of t. (a) Find an expression at time t < 0.35 s for the magnitude of the net force on the particle (in newtons). F = √36 ²+20.25 (b) Find an expression at time t < 0.35 s for the angle (relative to the positive direction of the x axis) of the net force on the particle (in radians). 0 = 3.78 X
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![(b) Find an expression at time t < 0.35 s for the angle (relative to the
positive direction of the x axis) of the net force on the particle (in
radians).
0 = 3.78
X
(c) Find an expression at time t < 0.35 s for the angle of the particle's
direction of travel (in radians).
0 0.83
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00c1e847-a61d-42ed-b8c6-ca88f29d0d53%2F9fcae990-2b64-4e04-b613-ed6311be5fba%2F146llkv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(b) Find an expression at time t < 0.35 s for the angle (relative to the
positive direction of the x axis) of the net force on the particle (in
radians).
0 = 3.78
X
(c) Find an expression at time t < 0.35 s for the angle of the particle's
direction of travel (in radians).
0 0.83
X
![A 0.25 kg particle moves in an xy plane according to
-3.7
x(t)
meters and in seconds.
15+2t
1524t3 and y(t) = 25 + 7t9t2, with x and y in
NOTE: Express your answers in terms of t.
(a) Find an expression at time t < 0.35 s for the magnitude of the net
force on the particle (in newtons).
F = √36 t2 +20.25
(b) Find an expression at time t < 0.35 s for the angle (relative to the
positive direction of the x axis) of the net force on the particle (in
radians).
0 = 3.78
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00c1e847-a61d-42ed-b8c6-ca88f29d0d53%2F9fcae990-2b64-4e04-b613-ed6311be5fba%2F7ql8y4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 0.25 kg particle moves in an xy plane according to
-3.7
x(t)
meters and in seconds.
15+2t
1524t3 and y(t) = 25 + 7t9t2, with x and y in
NOTE: Express your answers in terms of t.
(a) Find an expression at time t < 0.35 s for the magnitude of the net
force on the particle (in newtons).
F = √36 t2 +20.25
(b) Find an expression at time t < 0.35 s for the angle (relative to the
positive direction of the x axis) of the net force on the particle (in
radians).
0 = 3.78
X
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