The radioactive element 2,6°Co has a half life of years. If you had a sample of 17 g, about how long would it take until you only had 6% left?
Q: PROBLEM NO. 3: A lever AB of negligible weight is hinged at C and is attached to a control cable A a...
A: The free body diagram is shown below
Q: 1. Find the least value of P required to cause the system of blocks shown to have impending motion t...
A: Given: Co-efficient of friction μ=0.20 α=25° Calculation: The forces acting on the blocks are shown ...
Q: Ex. 63 : A ballet dancer spins about vertical axis at 90 r.p.m. with arms outstretched. With the arm...
A: To find-New frequency of revolution (n2)=?Given-Initial frequency (n1)=90 r.p.m.=9060=32r.p.sTherefo...
Q: Problem 3. A concrete block is supported by two guy wires attached to an anchor ring as shown. (CE B...
A: Solution: 3.a. The forces are drawn on the coordinates system as shown in the figure below.
Q: Pendulum clocks are made to run at the correct rate by adjusting the pendulum's length. Suppose you ...
A: Given data, We have a pendulum clock and we are moving to another city where acceleration due to gra...
Q: Ex. 38 The diameter of steel rod is 8 x 10 m. What force will require to stretch it by 0.3 % of its ...
A: To find-Force required (F)=?Given-Diameter of steel rod (d)=8×10-3 mTherefore-Radius of rod (r)=8×10...
Q: 1. A certain amount of gas contains a volume of 4 L at 100 psia. Find the pressure of the gas if it ...
A: According to Boyles law, for an ideal gas at constant Temperature and number of moles of the gas, th...
Q: 2. f= (2y + + x j +3yz %3D
A: Given, F=2xy+z3i→+x2j→+3yz2k→∇×F=i^j^k^∂ ∂x∂ ∂y∂ ∂z2xy+z3x23yz2Solving we get=∂ ∂y3yz2-∂ ∂zx2i^-∂ ∂x...
Q: Two parallel metal plates separated by 20 cm are connected across a 12 V potential difference. An el...
A: Given that,The distance between two parallel plates : d = 20 (cm)Potential differene : V = 12(V)An e...
Q: Problem 1: A uniform line of charge with total charge Q runs along the y-axis from -t/2 to +l/2. Wha...
A:
Q: on a with respect to the bottom. Calculate the Ex. 11: Tangential force of 10° N is applied surface ...
A: To find-Modulus of rigidity (η)=?GIven-Force applied (F)=105NL=10 cm=0.1 mSurface area (A)=3×10-6m2S...
Q: Kinematics 2: Motion in 2-Dimensions and 3-Dimensions Multiple Choice 18. An object follows a circul...
A: An object follows a circular path with a constant speed. Which of the following diagram best represe...
Q: Consider a bead of mass m sliding down a wire from the point P (xo, yo). %3D 1. Write and expression...
A:
Q: Two resistors with values of 30 N and 23 N, respectively, are connected in series and hooked to a 12...
A: Given that: Two resistors R1=30 Ω and R2=23 Ω are connected in series with V=12 V battery.
Q: A tire has a tread pattern with a crevice every 2.00 cm. Each crevice makes a single vibration as th...
A: speed of the car = 30 m/s = 3000 cm/s The tire has a tread pattern with a crevice every 2 cm. Number...
Q: Calculate the surface density of atoms in a bcc crystal if the lattice constant is a = 0:5nm (= 5) Å...
A:
Q: A ball is thrown upward at an angle 0 neglecting air resista True or False? The velocity of the ball...
A: 7. The velocity of the ball at the maximum height is zero. This statement is true as when the ball w...
Q: A object weighing 33 kg goes up a 7 meter hill. If 231 J of thermal energy ar created how fast was t...
A: Given, Mass, m=33kg Height, h=7m According to the conservation of energy, 12mv2=mgh+231
Q: . An electron is fired into one end of the solenoid Figure P28.66 in Figure P28.66. Viewed along the...
A:
Q: Consider the semicircular wire rotating at f = 2 rev/s as shown below. Find the values of 0 for whic...
A: Given: The mass of the bead is M = 100 g The radius of the semi-circular wire is R = 10 cm The frequ...
Q: Electrons are continually being knocked out of air molecules in the atmosphere by cosmic-ray particl...
A: Concept: There are two different Questions. For the Parts (a) and (b) Since Electric Field is point...
Q: A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, t...
A: Given that,Time to go : t = 2.5 (sec)Time to come back : t' = 0 (sec)Here we need to find the ratio ...
Q: Using the same procedure to determine the fundamental equation of chemical thermodynamics (dG = –SdT...
A:
Q: Three vectors d. b.and C, each have a magnitude of 51.0 m and lie in an xy plane. The direction of t...
A: Vectors a→, b→ and c→ lie on the x-y plane given a→=51.0=b→=c→a→ vector makes an angle 32.0° with th...
Q: F = 550N 160 mm 240 mm 440 mm y 380 540 mm mm
A:
Q: A charged conductor of area 40 cm? carries a uniformly distributed charged of 0.2 µC. Determine the ...
A:
Q: Convert 920 pCi/ft² to bq/cm².
A: The unit conversions are given by 1 Ci=3.7×1010Bq1 pCi=10-12 Ci1 ft=30.48 cm
Q: A circular path has a radius of 200 inches, what is the area of the circle in square meters?
A: As per guidlines, we can only attempt the first question. Kindly upload the other questions again to...
Q: Ex. 6: A solid brass sphere of volume 0.305 m is dropped in ocean, where water pressure is 2 x 107 N...
A: To find-Chage in volume of sphere (dV)=?Given-Volume of sphere (V)=0.305 m3Pressure of water (dP)=2×...
Q: 55) How long does it take for 300,000 X-rays to be transmitted on a 100-gbps network? A) 10 seconds ...
A: Given, 300,000 X-rays is transmitted to on a 100 gbps network
Q: At the instant shown, the acceleration of Point A is 4 m/s^2 in the direction shown. The mass of cra...
A:
Q: (a) The springs of a pickup truck act like a single spring with a force constant of 1.30 × 10° N/m. ...
A: Given: Force constant, μ=1.30×105 N/m Mass, M=1000 kg To find: a) Depression in the truck depressed ...
Q: The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 220 Hz s...
A: Given: v=343m/s, vs=35m/s, f0=220Hz, vo=0 (observer is stationary) The frequency heard by the stat...
Q: (17%) Problem 6: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produ...
A: Time dilation is one of the consequences of thoery of relativity. Time dilation is defined as the sl...
Q: Obtain the expression for energy density of radiation in terms of Einstein's Coefficients
A:
Q: Advanced Physics Question
A:
Q: At a given instant of time a rigid rotor is in a state Y(0,ø)= - sin 9 sin ø a) What possible values...
A: Given, ψθ,ϕ=34πsinθsinϕ
Q: Current Attempt in Progress The drawing shows an edge-on view of two planar surfaces that intersect ...
A:
Q: 1) The state of stress at a point in a body relative the xyz coordinate system is given by: -30 25 0...
A: This problem can be solved using the rotation matrix about y axis and operating it over given stress...
Q: You may have experienced that wet cloth dries and water in the glass evaporates at room temperature....
A:
Q: Home work I Show that n ((-n) %3D SinnIT
A: From Beta functions, it can be formulated that βm,n=τmτnτm+nAgain βm,n=∫0∞xn-11+xm+nNow by the prob...
Q: PROBLEM NO. 1:Three cables attached to the eyebolt apply the forces shown. Determine the resultant f...
A: Magnitude of resultant force was found to be 3568 newton And net force in x direction was found to...
Q: The zone that lies within 38° of the equator receives more solar radiation than is lost to space whi...
A: We know that Solar radiation, generally called the sun-based asset or daylight, is an overall term f...
Q: Q. 56 : When a mass of 5 kg is suspended from a spring of negligible mass and spring constant K, it ...
A: To find-Decrease in lengthGiven- Mass suspended (m)=5 KgSpring is of negligible massSpring constant ...
Q: :Compare between Stimulated Emission and Spontaneous Emission Follows Higher energy Needs no Need en...
A: Compare between Stimulated Emission and Spontaneous Emission.
Q: After a fall, a 70 kg rock climber finds himself dangling from the end of a rope that had been 14 m ...
A: Solution: (a). The strain is given by the ratio of change in length to the original length of the ro...
Q: N2 EN1
A: Given: The permeability of the magnetic core is µ= ∞ The area of the cross-section of the core is A...
Q: An object was discovered on Feb. 24.37 UT (position R.A. = 5h35m.8, Decl. = -69 18'), obtained m = 4...
A: Given information: The apparent magnitude of the SN at its peak brightness is (mp) = 2.8 The distanc...
Q: Problem 5: A spherical, insulating shell with uniform charge density p(r) = -p is centered at the or...
A:
Q: EXERCISE Suppose a particle moves along the x-axis. Its x-coordinate varies with time according to t...
A:
Please do it correctly!
Step by step
Solved in 2 steps