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Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 12.6 m, its velocity is (5.5 + 4.5) m/s.
(a) To what maximum height will the ball rise?
_________
(b) What horizontal distance will be traveled by the ball?
____________
(c) With what velocity (magnitude and direction) will it hit the ground?
magnitude __________
direction ____________ ° below the horizontal
A potato cannon is used to launch a potato on a frozen lake. The mass of the cannon, Mc, is 10.kg, and the mass of the potato, Mp, is 0.850kg. find the direction and the magnitude of the cannon's velocity
A world-class sprinter accelerates to his maximum speed in 4s . He then maintains this speed for the remainder of a 100m race, What is his average acceleration for the entire rac
An artificial satellite circling the Earth completes each orbit in 128 minutes. (The radius of the Earth is 6.38 106 m. The mass of the Earth is 5.98 1024 kg.), Find the altitude of the satellite
Three resistors, R1 = 17? , R2 = 52? , and R3=R, are connected in series with a 24.0 Vbattery, find the potential difference across each resistor
When a 9.0 V battery is connected to a capacitor, it puts 8.40e-4 C of charge on the capacitor. What is the unknown battery's voltage
If a 60.0 kg person slides down an incline angled 25%u02DA below the horizontal and friction IS present with a coefficient of kinetic friction equal to k = 0.450. What is the person's acceleration
A wheel experiences a time dependant angular acceleration given by ?(t) = 3 + 0.333t^3. Derive an expression for the angular velocity as a function of time
A crate of weight W is being pushed across a horizontal surface by a force directed at an angle of 20 degrees below the horizontal. find the magnitude of the normal force on the crate
A 42.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.28*10^2 m/s from the top of a cliff 140 m above level ground, What is the initial total mechanical energy of the projectile
Assess the benefits brought about by the application of lean techniques at Wiremold. Explain your answer by describing the changes and their outcomes.
Consider the Earth and a cloud layer 900 m above the planet to be the plates of a parallel-plate capacitor. (a) If the cloud layer has an area of 1.0 km2 = 1000000 m2, what is the capacitance?
A particle with a mass of 6.64* 10^-27 kg and a charge of +3.2*10^-19 C is accelerated from rest through a potential difference of 2.45*10^6 V. find the magnitude if the magnetic force exerted on the particle
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