A radio-controlled model airplane has a momentum given by [(−0.75kg⋅m/s3)t2+(3.0kg⋅m/s)]i^+(0.25kg⋅m/s2)tj^, where t is in seconds.
What is the x-component of the net force on the airplane?
What is the y-component of the net force on the airplane?
What is the z-component of the net force on the airplane?
A radio-controlled model airplane has a momentum given by [(−0.75kg⋅m/s3)t2+(3.0kg⋅m/s)]i^+(0.25kg⋅m/s2)tj^, where t is in seconds. What...
The position of a squirrel running in a park is given by r⃗ =[(0.280m/s)t+(0.0360m/s2)t2]i^+ (0.0190m/s3)t3j^. At 4.75 s , how far is the squirrel from its initial position? At 4.75 s , what is the magnitude of the squirrel's velocity? At 4.75 s , what is the direction (in degrees counterclockwise from +x-axis) of the squirrel's velocity?
The acceleration of a bus is given by ax(t)=αt, where α = 1.14 m/s3 is a constant. Part A If the bus's velocity at time t1 = 1.18 s is 4.92 m/s , what is its velocity at time t2 = 2.19 s ? v = m/s SubmitMy AnswersGive Up Part B If the bus's position at time t1 = 1.18 s is 6.06 m , what is its position at time t2 = 2.19 s ? x = m
Part A Starting at t 0s, a horizontal net force F (0.280 N/s )t i + (-0460 N/s2 )t2 j is applied to a box that has an initial momentum What is the momentum of the box at t 2.00 s? Enter the and y components of the momentum separated by a comma. P (-2.95 kg m/s)i(4.05 kg.m/s )j A2op p,, py kg m/s
You have a remote-controlled car that has been programmed to have velocity v⃗ =(−3ti^+2t2j^)m/sv→=(−3ti^+2t2j^)m/s, where tt is in ss. At tt = 0 ss, the car is at r⃗ 0=(3.0i^+2.0j^)mr→0=(3.0i^+2.0j^)m.a) What is the xx component of the car's position vector at 2.0 ss?b) What is the yy component of the car's position vector at 2.0 ss?c)What is the xx component of the car's acceleration vector at
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin when t=0, determine the magnitude of the particle's acceleration when t=2s. What is the x,y,z coordinate position of the particle at this instant.
Constants Part A The position of a squirrel running in a park is given by r [(0.280 m/s)t (0.0360 m/s2)t2]i (0.0190 m/s3)t3j Whais (t), the z-component of the velocity of the squirrel, as function of time? O Ux(t) = 0.280 m/s x(t) (0.280 m/s)t (0.0720 m/s2)t2 x(t) (0.0720 m/s2)t O vx(t) 0.280 m/s + (0.0720 m/s*)t Submit Request Answer Part B What is vy(t), the y-component of the velocity of the squirrel, as function of time? uy (t) (0.0570 m/s3)t...
A particle moving in the ry-plane has v(2ti (3-t2)j) m/s, where t is in s velocity What is the x component of the particle's acceleration vector at t = 5 s? Express your answer with the appropriate units Value Units az Submit My Answers Give Up Incorrect, Iry Again, 5 attempts remaining Enter your answer using dimensions of acceleration Part B What is the y component of the particle's acceleration vector at t Express your answer with the appropriate units...
The position of a squirrel running in a park is given by r? =[(0.280m/s)t+(0.0360m/s2)t^2]i+ (0.0190m/s^3)t^3j. 1) At 4.77 s , how far is the squirrel from its initial position? 2) At 4.77 s , what is the magnitude of the squirrel's velocity? 3) At 4.77 s , what is the direction (in degrees counterclockwise from +x-axis) of the squirrel's velocity? The position of a squirrel running in a park is given by (0.280 m/s)t (0.0360 m/s2)t2]i (0.0190 m/s )t3j
vProblem: A possible model for a sprinter's velocity is given by Vx=a(1-e^(-bt))where t is in seconds, vx is in m/s, and the constants a and b are characteristic of the sprinter. Assume Sprinter A runs the 100-meter dash following this prescription with a = 11.81 m/s and b = 0.6887 s-1. a) Find an expression for Sprinter A’s acceleration as a function of time t. b) Find an expression for the distance traveled by Sprinter A as w.r.t. time t....
I Review Correct A particle's acceleration is described by the function a, (10-t) m/s2, where t is in s. Its initial conditions are o -300 m and vox -0 m/s att =0s. Part B What is the particle's position at that time? Express your answer with the appropriate units. Z# 1857 Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining