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A regulation soccer field for international play is a rectangle with a length between 90.0m and 111mand a width between 57.0m and 70.0m.
What is the smallest area that the field could be?
What is the largest area that the field could be?
The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base. Evaluate how far does he slide?
An aerosol can of whipped cream is pressurized at 440kPa when it's refrigerated at 3 C. The can warns against temperature in excess of 50 C. What is the safest pressure for the can .
A charge 1.1 × 10?5 C is fixed on the x-axis at 7 m, and a charge 8 × 10?6 C is fixed on the y-axis at 5 m. Calculate the magnitude of the resultant electric field ~E at the origin. Answer in units of N/C
Explain the construction of a electromagnetic velocity sensor and explain its working. In a bike speedometer the wheel diameter is 80cm what is the frequency of velocity sensor, which gives 1 pulse per rotation of wheel at a speed of 80Km/H?
Consider the conical pendulum with an 80.0 kg bob on a 10.0 m wire making an angle of 5.00 with the vertical as shown. Determine (a) horizontal and vertical components of the force exerted by the wire on the pendulum and (b) radial acceleration of th..
Jeff of the Jungle swings on a 7.6- vine that initially makes an angle of 47 with the vertical. If Jeff starts at rest and has a mass of 88 , illustrate what is the tension in the vine at the lowest point of the swing?
A humanitarian aid package is dropped from a plane flying horizontally 500m above the ground with a speed 100m/s. What is the speed of the package at time of impact? (Calculate the total speed, not a horizontal or vertical projection.)
Though slow on land, the leatherback turtle holds record for the fastest water speed of any reptile: 9.78 m/s. It is also among the largest of reptiles. Assume the largest leatherback yet discovered were to swim at the top leatherback speed. If its k..
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
A person of mass 89.70 kg escapes from the burning building by jumping from a window situated 27.50 m above a catching net.
Block A in Figure is given an initial velocity of 6 m/s up the incline. Declare of a block on a inclined plane.
A Carnot engine with a hot-reservoir temperature of 360 has the same thermal efficiency. What is the cold-reservoir temperature in C?
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