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The skaters push off alongside each other and move smoothly to opposite edges of the rink. When the heavier skater reaches the edge in 18 s, evaluate how long does the lighter skater to arrive at th
At the center of 59 m diameter circular ice rink, a 77 kg skater moving north at 2.45 m/s collides with and holds to a 58 kg skater who had been heading west at 3.62 m/s. Determine how long will it
Population shrinks from its initial level of 23,000 at the continuous decay rate of 5.9% per year. By what percent does population shrink every year?
If the tennis ball and racket make contact with for 8.12 ms, then determine the average force which the racket applies on the ball? Explain how does this compare to the gravitational force on the ba
A ball of 22.75 g clay traveling east at 2.85 m/s collides with the 36.02 g ball of clay traveling north at 2.41 m/s. Evaluate the speed of the resultant 58.77 g ball of clay?
A bird of 296 g is flying all along at 6.57 m/s sees an 8.8 g insect heading straight toward it with a speed of 34.87 m/s. The bird opens its mouth broad and enjoys a pleasant lunch. Determine the s
A open train car of 4603.24 kg is rolling on frictionless rails at 24.04 m/s when it begins pouring rain. A few minutes later, the speed of car is 18.61 m/s. Determine the mass of water which was co
A 98.2 g small, cart is travelling at 1.01 m/s on an air track when it collides with a bigger, 1.15 kg cart at rest. Subsequent to the collision, the small cart recoils at 0.78 m/s. Determine the sp
Into every quart of Continental Mocha go 1 egg and 3 cups of cream. You include in stock 800 eggs and 1650 cups of cream. How many quarts of every flavor must you make to use up all eggs and cream?
A tennis ball of 50.9 g is served at 38.8 m/s. If the ball started from rest, then determine the impulse that was applied to the ball by the racket?
A concave mirror consists of a focal length of 25.5cm. The distance among an object and its image is 46.6cm. Find out (i) object and (ii) image distance supposing that the object lies beyond the cen
A 50 ball of clay traveling east at 1.5 collides and sticks altogether with a 50 ball of clay moving north at 3.0. Determine the speed from the resultant ball of clay (by using the two significant f
Double cheeseburgers each need 2 beef patties, 1 bread roll, and 2 slices of cheese, as regular cheeseburgers each need 1 beef patty, 1 bread roll, and 1 slice of cheese. How many of each must you p
The two forces on the object are F1 = 3.2N at 70 degrees lower the x-axis and F2 = 3.2N at 40 degrees above the x-axis. Find out the resultant force, magnitude and direction.
A 40.0 µF capacitor is joined to a 20.0 O resistor and a generator, whose rms output is 30.0 V. At 60.0 Hz. Determine the rms current, the rms voltage drop across the resistor, the rms voltage
The sphere of dielectric material is situating in a uniform electric field, E0. Find out the polarization of the sphere? Determine the bound charges?
Determine the percentage error in h obtained by the formula h=square root of (lr^2) when percentage error of l is +_0.1% and in r is +_ 0.02%
Determine the total force on the two slabs due to the plates? Which way do the plates accelerate?
The tax preparer offers you the "interest-free" loan of $5,000 for the fee of $50 to be repaid by the refund check when it arrives in 10 weeks. Thinking of fee as interest, what simple interest rate
Hydrogen chloride (HCl) gas a 2.14-L sample at 2.61 atm and the 301Kis totally dissolved in 668mL of water to form hydrochloric acid solution. Analyze the molarity of the acid solution. Suppose ther
The slab of dielectric material (dielectric constant R) with the similar area A and a thickness d/3 is put in symmetrically among the plates, with the center of the slab at d/2 from all plate. i) D
Trigonal Planar, Linear, Angular, Trigonal Pyramidal, Tetrahedral, determine from these that which molecular geometry are polar and which are non polar in nature. How which manner can determi
In a lecture sample we found that a 2 kg mass oscillating up and down on a spring made 10 oscillations in the 5 seconds. Which corresponds to a frequency of _____ Hertz?
Determine the smallest atom in group 7A and arrange the given atoms in order of growing atomic radius: Na, Al, P, Cl, Mg.
The Student of m = 75 kg falls freely from rest and strikes the ground. Throughout collision with the ground, he comes to rest in a time 0.040s. The average force pushed on him by the ground is + 18