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i) Find out the escape speed on the spherical asteroid having radius 570 km and whose gravitational acceleration at the surface is around 10.0 m/s2?
Determine how far from the surface will a particle go when it leaves the surface of asteroid having a radial speed of around 1000 m/s?
Ball of 1.0 kg and a ball of 2.0 kg are joined by a 1 m long rigid, mass less rod. The rod is rotating cw around its center of mass at 20 rpm. Determine what torque will bring the balls to a halt in
The object is positioned 24 cm to the left of lens 1. (i) Employ a ray diagram to determine the estimated location of the image. (ii) Is the image inverted or upright? (iii) Is the image virtual or
By using a magnifying glass, a biology student on a field trip observes a small insect. When she view the insect magnified by a factor of 3.5 and when the glass is held 3.0 cm from it then determine
An object is positioned in front of the biconcave lens having focal length 18 cm. Where the image positioned and what are its features, when the object distance is (i) 10 cm and (ii) 25 cm?
A block of 200 g suspends from a spring having spring constant 10 N/m. At t = 0 s the block is 20 cm beneath the equilibrium point and moving upward having a speed of 100 cm/s. Determine the block's
An object 4.0 cm tall is in front of the converging lens having focal length 22 cm. Where is the image made, and what are its features, if the object distance is (i) 15 cm and (ii) 36 cm? (Please dr
A part of a sphere is mirrored on both the sides. When the magnification of an object is around 11.8 if the part is employed as a concave mirror, determine the magnification of an object at the simi
The blood flow speed via an aorta having a radius of 1.15 cm is 0.290 m/s. When hardening of the arteries causes the aorta to be constricted to a radius of around 0.950 cm, determine by how much the
A concave mirror consists of a magnification of +3.0 for an object positioned 50 cm in front of it. (i) What kind of image is generated? (ii) Determine the radius of curvature of the mirror.
When the pipe tapers to 1.2 cm and increases to the second floor 7.6 m over the input point, determine the: Water pressure at the second floor?
A mass is joined to a spring on the frictionless horizontal surface. The mass is pulled to stretch the spring by 0.1 m and then gently released. A short time later, as the mass passes via the equili
An object consists of a weight of 7.4 N in air. Though, it apparently weighs just 3.3 N if it is fully submerged in water. Determine the density of the object? Represent your answer by using two sig
When radioactive substance provides a counting rate of 1250 cpm at time t = 0, and a counting rate of around 475 cpm at time t = 20 minutes, determine the half life of the substance.
One curie = 3.7 x 10610 decays per second. The half life of 137Cs is 30 years. When the current activity in such a source is 7.5 micro-curies, determine what will it be in around 15 years?
The average counting rate of the radioactive sample is around 486 cpm. Determine the probability that in any given 10 second interval one obtains less than 72 counts. Is this similar as the probabil
A simple harmonic oscillator comprises of 0.80 kg block joined to a spring (k = 200N/m). The block slides on the horizontal frictionless surface around the equilibrium point x = 0 having a total me
A metal rod having mass m carrying a current I glide on the two horizontal rails a distance d apart. When the coefficient of kinetic friction among the rod and the rails is u what vertical magnetic
A Gieger counter evaluates 750 counts in 5.0 min. (i) Find out the average counting rate per minute, and the standard deviation of the counting rate, (ii) Determine the fractional error. (iii) Deter
A bicycle tire consists of a diameter of 0.7m. When it rolls devoid of slipping on a road, i) Determine how far will it go if it rotates via 6 complete revolutions?
An object 3 cm tall is positioned at various locations in front of the concave mirror whose radius of curvature is 30 cm. Find out the location of the image and its features when the object distance
An object 3 cm tall is positioned 20 cm from the front of the concave mirror having a radius of curvature of 30 cm. Determine where is the image made, and how tall is it?
Supposing the femur is 0.680 m long and consists of a radius of around 1.90 cm, by how much is the bone compressed? Illustrate your answer by using two significant figures.
A cubical box is around 0.76m on a side. Write down the dimensions of the box as evaluated by an observer moving with the speed of 0.82c parallel to one of the edges of the box?