e ( a ) value of the x and y components of the velocity , and the ( b ) acceleration of the gives point that moves along the path y=1/3 x squared at a constant speed of 8 m / s , when z = 3 . 2. Find the acceleration and velocity of the box ( m - 44.092 pounds ) if it is being pulled up the incline of 20 ° by force F which varies as per graph shown , at / -5 s . Its velocity was 4 m / s atr0 and its coefficient of kinetic friction is 0.2

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1. Find the ( a ) value of the x and y components of the velocity , and the ( b ) acceleration of the gives point that moves along the path y=1/3 x squared at a constant speed of 8 m / s , when z = 3 .


2. Find the acceleration and velocity of the box ( m - 44.092 pounds ) if it is being pulled up the incline of 20 ° by force F which varies as per graph shown , at / -5 s . Its velocity was 4 m / s atr0 and its coefficient of kinetic friction is 0.2

 

3. Suppose PAL's Boeing 777-300ER has a mass of 25 x 10 kg and its engines produce a total thrust of 40 kN along the runway . During the motion of the airplane , it experience a force of air resistance which is given by R - 2.25 , where R is in Newton , and v is in m / s . Determine the length of the runway required if the airplane takes off and becomes airborne at a speed of 240 kph

 

4. Consider the system of pulleys shown . ( pulleys & strings are assumed to have negligible masses , and the strings are inextensible ) . Find the ( a ) tension of each of the three strings and ( b ) the acceleration of each of the three masses , if the system is released from rest .

1. Find the (a) value of the x and y components of the velocity, and the (b) acceleration of the given
point that moves along the path y
at a constant speed of 8 m/s, when r-3.
2. Find the acceleration and velocity of the box (m-44.092 pounds) if it is being pulled up the incline
of 20° by force F which varies as per graph shown, at r-5 s. Its velocity was 4 m/s atr-0 and its
coefficient of kinetic friction is 0.2
100 N
3. Suppose PAL's Boeing 777-300ER has a mass of 25 x 10 kg and its engines produce a totall thrust
of 40 kN along the runway. During the motion of the airplane, it experience a force of air resistance
which is given by R-2.25, where R is in Newton, and v is in m/s. Determine the length of the
runway required if the airplane takes off and becomes airborne at a speed of 240 kph.
4. Consider the system of pulleys shown. (pulleys & strings are assumed to have negligible masses,
and the strings are inextensible). Find the (a) tension of each of the three strings and (b) the
acceleration of each of the three masses, if the system is released from rest.
F (N)
400 N
Problem 2
r(sec)
2 kg
4 kg
6 kg
Problem 4
Transcribed Image Text:1. Find the (a) value of the x and y components of the velocity, and the (b) acceleration of the given point that moves along the path y at a constant speed of 8 m/s, when r-3. 2. Find the acceleration and velocity of the box (m-44.092 pounds) if it is being pulled up the incline of 20° by force F which varies as per graph shown, at r-5 s. Its velocity was 4 m/s atr-0 and its coefficient of kinetic friction is 0.2 100 N 3. Suppose PAL's Boeing 777-300ER has a mass of 25 x 10 kg and its engines produce a totall thrust of 40 kN along the runway. During the motion of the airplane, it experience a force of air resistance which is given by R-2.25, where R is in Newton, and v is in m/s. Determine the length of the runway required if the airplane takes off and becomes airborne at a speed of 240 kph. 4. Consider the system of pulleys shown. (pulleys & strings are assumed to have negligible masses, and the strings are inextensible). Find the (a) tension of each of the three strings and (b) the acceleration of each of the three masses, if the system is released from rest. F (N) 400 N Problem 2 r(sec) 2 kg 4 kg 6 kg Problem 4
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