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Jerry has managed to hack into the operating software of Mechano (mM = 2.50 kg), the evil robot cat. The picture shows Jerry having Mechano fire a projectile (mp = 0.240 kg) at Tom, the cat.
A: When the cannon fires, Mechano rolls backward with a recoil speed of 0.630 m/s. What is the speed of the projectile (vp) when it emerges from the cannon?
B: How much energy (?E) is released by the gunpowder that explodes inside the cannon when the projectile is fired?
What is the coefficient of static friction between the box and the floor?
If two adjacent natural frequencies of an organ pipe are determined to be 475 Hz and 575HZ. Calculate the fundamental frequency and the length of the pipe.
A lamp which is 9.0 cm tall is in front of a concave mirror which has a focal length of 53.0 cm. (a) How tall is the lamp's image if the lamp is a distance of 26.5 cm from the mirror (include sign if negative)
The threshold of dark-adapted (scotopic) vision is 40 pWm-2 at a central wavelength of 500 nanometer. find how many photons enter the pupil in one millisecond
what is the proper equations to use on this problem?a point charge of 6.0 uc is located at the origin of a coordinate
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.
A 11.0-g wad of sticky clay is hurled horizontally at a 130-g wooden block initially at rest on a horizontal surface. what was the speed of the clay immediately before impact
1.) What are the factors in determining your takeoff critical field length for a certain runway? If after doing initial calculations you find the runway is too short, what might you be able to do as the pilot in command to be legal for takeoff?
A wooden raft has a mass of 90 kg. When empty it floats in water (density 1000 kg/m3) with 67% of its volume submerged. What mass of sand can be put on the raft without it sinking
An emf of 10 V is applied to the coil with an inductance of 40 mH and a resistance of 5.00 ohms. Determine the energy stored in the magnetic field
A light-bulb of power 40 Watts is operating with a potential difference of 120 V across it. What is the current and resistance of the filament
a sled is moving down an incline plane, the mass of the sled is 40 kg. the angle is 35 degrees, coefficient of kinetic friction is 0.3. Find acceleration of the sled
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