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Crew members attempt to escape from a damaged submarine 70 m below the surface. What force must they apply to a pop-out hatch, which is1.0 m by 0.70 m, to push it out at that depth? Assume that the
If the probe is to achieve a maximum distance of 8.0 multiplied by 106 m from the center of Zero, with what initial kinetic energy must it be launched from the surface of Zero?
What is the escape speed on a spherical asteroid whose radius is 510 km and whose gravitational acceleration at the surface is 2.9 m/s2?
A thief stole a box with valuable article of weight ‘W' and jumped down a wall of height h. Before he reaches, what would be the load that he would experience?
It moon's radius is 1600 Km and "g" on its surface is found to be 1.6 m/s. Find the escape velocity on the moon provided air friction is negligible.
A small weight hangs from a string attached to the rearview mirror of a car accelerating at the rate of 1.11 m/s2. What angle does the string make with the vertical?
A body of 2kg is suspended from the ceiling of an elecator moving up with an accelration "g". Find the apparant weight of body in the elevator? Need detailed.
A scaffold of mass 61 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 79 kg stands at a point 1.2 m from one end.
If 23.6 g of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.99 hours, then what is the current through the cell during this period? (Assume that the gold ions c
When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes are observed, Find the wavelength of the light used. Please explain step by step.
A force of 20 N is applied at the edge of a wheel of radius 40 cm. Find the torque acting on the wheel?
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minim
Suppose one of the resistor in the bridge circuit was heated by baking it in an oven. How would this effect the current flowing through it after placing it back into the circuit ?
Does the resistivity of a material depend on its length or cross-sectional area? Does the resistance depend on the lenghtr or cross-sectional areas? Explain.
The electric potential at a position located a distance of 18.9 mm from a positive point charge of 6.80x10-9C and 13.3 mm from a second point charge is 1.26kV. Calculate the value of the second char
How sure are when you're saying"those who were born blind only have auditory dreams and those who were blind at an early age only have visual dreams",is it proven scientifically or it's just an the
An infinitely -long, uniformly charged line of charge with linear charge density n=0.1 C/m lies a distance d=0.068m from the center of a sphere with radius= 0.23m. what is the amount of charge insid
A uniform electric field ai+bj intersects a surface of area A. what is the flux through this area if the surface lies (a)in the yz plane, (b) in the xz plane, and (c)in the xy plane?
A 35.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. the flux in this position is 4.80E+05 N*m^2/C. what is the magnitude of the elect
To the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 26.0m/s .If nothing is done to correct its orbit, with what s