One of the first artificial nuclear reactions was produced in 1932 when a Lithium- 7 nucleus was bombarded by a proton, causing it to decay and emit an alpha particle. Write the equation for this reaction. O³Li + H He + He → Lithium-7 + proton alpha + Helium-4 O{Li + H He He O3Li + H He - He →

Q: Consider the diagram for question 2. A person of mass 70.5 kg is on a roller coaster at the top of…

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Q: Rank the currents through the resistors and the battery shown in the circuit below. 10 v -41+ A 252…

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Q: Body Mass Velocity A 1.5 kg 2.0 m/s, east B 2.0 kg 3.0 m/s, west C 5.2 kg 2.5 m/s, west…

A: Momentum is defined as the product of the mass and velocity of an object. It is a vector quantity,…

Q: Consider a plano-convex lens of radius R surrounded by a vacuum. A parallel ray is incident on the…

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Q: This time we have a non-rotating space station in the shape of a long thin uniform rod of mass 7.20…

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Q: Coulomb Uncertainty E-Field Suppose we have a charge, q=2 µC. This charge makes an electric field…

A: Charge, q1=2 μC= 2×10-6 C Uncertainty in charge, ∆q1 = 0.1 μC=0.1×10-6 C Distance, r=66 cm = 0.66 m…

Q: The magnetic force exerted on a charged particle by a B-field is affected by all but the following.

A: Magnetic force exerted on charged particle depends on which factor.

Q: 6. What is the final speed of a electron that has an initial speed of 2 x 106 m/s that is…

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Q: The wavelength of light corresponding to the threshold frequency for silver is 325 nm. Determine…

A: Wavelength corresponding to threshold frequency for silver = 325 nm wavelength of incident…

Q: a) The blackbody radiation emitted from a furnace peaks at a wavelength of 4.5 10-6 m (0.0000045 m).…

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Q: Same situation as before. This time it s a block of mass 1.57 kg sliding with a constant velocity of…

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Q: A spherical pot contains 0.700 L of hot coffee (essentially water) at an initial temperature of 90…

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Q: Light from a helium-neon laser (λ = 633 nm) is used to illuminate two narrow slits. The interference…

A: wavelength of light = 633 nm  D is the distance from the slit to the screen = 2.8 m There are 12…

Q: The figures shows a overhead view (they are lying on the ground without any friction) long uniform…

A: Solution:- Writing the given values of the question Mass of the rod M=0.600 kgSpring constant k=1850…

Q: hich of these has a higher frequency than visible light? a. radio wave b. microwave c. infrared…

A: The electromagnetic (EM) spectrum is a range of all possible frequencies of electromagnetic…

Q: (a) The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the…

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Q: A particle moves in a horizontal line so that its position from a fixed point after t seconds, where…

A: The position of particle is given by s(t)=5t2 - t4   To determine a) The position, velocity and…

Q: A glass of water is initially at 30C and is heated to 60C. Solve for the initial, final, and change…

A: Initial temperature=300C Final temperature=600C

Q: A Gaussian surface in the shape of a right circular cylinder with end caps has a radius of 13.5 cm…

A: The magnetic flux through the closed surface is zero. The addition of the flux through the two bases…

Q: A water intake at a pump storage reservoir (see the figure below) has a cross-sectional area of…

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Q: A vertical spring stretches 7.9 cm when a 1.5 kg block is hung from its end. (a) Calculate the…

A: Mass of block m= 1.5 kg Spring constant k= 7.9 cm = 7.9*10-2 m       “Since you have posted a…

Q: Which of the following is best defines current density?     It is a scalar quantity measuring the…

A: Current Density The amount of electric current flowing per unit cross-section area is called as…

Q: A man is swirling a stone tied to one end of a horizontal string. The stone is in uniform circular…

A: The stone completes n=20 revolutions in t=4 s.   (a) Frequency of the motion.

Q: 4. Find Nortons’s equivalent circuit of circuit given in figure 3. R2 3 ΚΩ V1 10 V +1 Μ Μ R1 1 ΚΩ R4…

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Q: 6) Find the moment of inertia I of a thin, circular disk about an axis through its center and…

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Q: If the system shown below is used to run a refrigerator, which of the following is true for the x to…

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Q: What would be the gamma factor for a spacecraft traveling at 7,800 m/s?  a 0.85  b 1.0  c 1.1  d…

A: The special theory of relativity is based on two postulates: The principle of relativity (physical…

Q: One force acting on a machine part is F= (-5.00 N). The vector from the origin to the point where…

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Q: A 75-kg adult sits at one end of a 8.8-m-long board. His 26-kg child sits on the other end. Part A…

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Q: A change of -84 μC is placed in a uniform electric field that is directed vertially upwards with a…

A: Write the expression for the electric potential energy. W=−∫F→⋅dr→W=−F×dW=−qEdcos(90°+θ)W=qEdsinθ

Q: QUESTION 9 A diver of mass 67.6 kg stands on one end of a diving board of mass 30.2 kg, as shown in…

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Q: Assume that the masses A and B are 4 kg and 10 kg, respectively. If the coefficient of friction…

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Q: Green light shines through a 100-um-diameter hole and is observed on a screen. If the hole diameter…

A: Given: Diameter of hole: 100 μm Increase in diameter: 20% Light considered is green light

Q: Show that the power, supplied by driving force to a forced harmonic oscillator at steady state case…

A: The supplied by driving force to a forced harmonic oscillator at steady state case is equal to the…

Q: A hunk of iron is shown to not have any magnetism associated with it when a student tries to suspend…

A: The iron can retains magnetic property after it is moved from the magentic field

Q: What is the period of a simple pendulum 65 cm long on the Earth? Express your answer using two…

A: Given: Length of the pendulum (L) = 65 cm = 0.65 m here, g = acceleration due to gravity = 9.81 m/s2…

Q: Using the component method, determine the resultant force and the equilibrant force of each of the…

A: Force is a vector quantity and vector quantities are added according to the vector algebra. There…

Q: The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord…

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Q: If the cart is moving at 19.8 m/s at point G, what is the height at point G in the cart come to rest…

A: The potential energy at point G can be calculated using the formula: PE = mgh where m is the mass of…

Q: In the figure, a light ray in air is incident on a flat layer of material 2 that has an index of…

A: Refractive index of air ( n1 ) = 1 Refractive index of material 2 ( n2 ) = 2.7

Q: Which of the following are characteristics of the strong nuclear force?   It overcomes the…

A: 1) It overcomes the repulsive force between protons and neutrons: This is true. The strong nuclear…

Q: How much energy is stored by the electric field between two square plates, 8.0 cm on a side,…

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Q: A toy pellet gun, shown above, has a pellet with a mass of 2.15g and a spring with spring constant…

A: Mass of pellet (m)= 2.15g  spring constant (k)=5.7 N/m

Q: In the circuit shown in the figure (Figure 1), the 33- resistor dissipates 0.30 W. Figure 33 Ω 68 Ω…

A: R1 = 33 ohm R2 = 68 ohm R3 = 75 ohm Power disspiated by 33 ohm resistor (P1) = 0.3 W

Q: Please show your complete solution in a paper. Thank you! The steel bed of a suspension bridge is…

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Q: 8.A transformer is to be designed to increase the 40-kV (rms) output of a generator to the…

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Q: (16) A 3.0-kg particle has a position vector given by F = (2.02 +3.01) where I is in meters and this…

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Q: In simple harmonic motion, the displacement is maximum when the O velocity is zero O kinetic energy…

A: The given problem is based on simple harmonic motion. To solve the given problem at first we will…

Q: a −2.5 eV  b 0.1 eV  c 1.8 eV  d 5.0 eV

A: given  the graph of  Maximum kinetic energy of the outgoing  particle and the frequency of the…

Q: How do we interconvert between eV, V, and Joules?

A: 1V=1J1Chere, V=voltJ=jouleC=coulomb   1eV=1.6×10-19V

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.