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Two blocks are connected by a frictionless pulley as shown. Block A has a mass of 71 kg and block B has a mass of 150 kg. The coefficient of kinetic friction between block A and the stationary wedge is 0.350. The wedge makes an angle of 45 degrees with the horizontal. Find the acceleration a of block A (in m/s2).
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
How far does the car go before it stops. An advertisement claims that a sportscar can accelerate from rest to 100 km/hr in 7.70 s.
a body of mass 0.1 kg is been rotated in a circular path of diameter 1 m on a frictionless horizontal plane bye means of a string. it performs 10 revolutions in 31.4 sec. calculate the centripetal force acting on the body
Predict the effect on concentration of SO3 as equilibrium is achieved by using Q, the reaction quotient. 2 SO3(g) 2 SO2(g) + O2(g
(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.
A certain mixing tank has a capacity of 20 gallons and it is full of water with a small amount of bleach, Find the amount of bleach inside the tank at time t
What is moment of inertia
What is its initial velocity as it leaves the ground. Two particles are fixed on an x axis.
You push on the chair with a force of = 37.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor. Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.
A generator has a square coil consisting of 188 turns. The coil rotates at 118 rad/s in a 0.222-T magnetic field. What is the length of one side of the coil
A 240 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.20, Calculate the power dissipated by 100 of them.
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