The net force acting on Ford focus SE has a magnitude of 6800N. If the cars acceleration is 4.5m/s? what is its mass?

Q: A transparent rod 30.0 cm long is cut flat at one end and rounded to a hemispherical surface of radi...

A: Given: The length of the road L = 30 cm. The radius of the rounded end of the rod r = 10 cm. The di...

Q: Show that ugr correctly represents the velocity of the particle both relativistically and classicall...

A: For non-relativistic case: ugr=dEdp=ddpp22m                    ∵E=p22m=2p2m=pmugr=v Therefore, in no...

Q: A loaded elevator with very worn cables has a total mass of2200 kg, and the cables can withstand a m...

A: The vector force diagram -

Q: Draw the phase of the koon. Label neap tides with an N and spring tides with S

A: When the Sun, the Moon and the Earth are in a straight line (during Full or New Moon phases), the gr...

Q: A block with mass 0.500 kg sits at rest on a light but not long vertical spring that has spring cons...

A: Given , mass of the block , m=0.500 kg Spring constant, k=80 N/m a. The force applied by the mass on...

Q: Please answer parts A and B. The pair at the bottom of the page that is circled. Use all data given ...

A: Given values, d2=300 m t3=170 s

Q: 1) A jetline touches down at 275 km/hr on a 1.2-km-long runway. What’s theminimum safe value for the...

A: 1) Given: Initial velocity of jetline is given by, vi=275kmhr*1000m1km*1 hr60 min*1min60 sec vi=76.3...

Q: What is the spectroscopic term symbol for gallium in its ground state? Explain.

A: The electronic configuration of gallium ends with the following subshells, 3d104s24p1 This indicates...

Q: A small 8.00 kg rocket burns fuel that exerts a time-varying upward force on the rocket (assume cons...

A:

Q: Question in the attachment

A: The number of turns in the coil is 69. The radius of the coil is 7.91 cm. The magnitude of the unifo...

Q: Superman throws a 2400 N boulder at an adversary. What horizontalforce must Superman apply to the bo...

A: The weight of the boulder is W = mg Here, m is the mass of the boulder, g is the acceleration due to...

Q: A parallel beam of argon laser wavelength 488 nm, collimated by a diaphragm of 1 mm radius, is direc...

A: Given: The wavelength of the laser λ = 488 nm. The aperture of the laser a = 1 mm. The radius of moo...

Q: Refer to Fig. 16–32d. If the two charged plates were moveduntil they are half the distance shown wit...

A:

Q: The spectral lines of various elements are detected in light from a galaxy in the constellation Ursa...

A: The equation for red shift is, λobs=λ1-vc

Q: A parallel-plate capacitor is made of two plane circular plates separated by d cm of air. When a par...

A: Given: The thickness between the plates of the capacitor d = d cm. The thickness of the glass diele...

Q: You direct a beam of 0.154 nm x rays at certain planes of a silicon crystal. As you increase the ang...

A: Part-a Given: Wavelength of the beam λ = 0.154 nm. Angle of diffraction θ = 34.5o.  

Q: A telescope on Earth is taking measurements of a nearby star six months apart. The telescope is limi...

A: Given: A telescope on Earth is taking measurements of a nearby star six months apart. The telescope ...

Q: NA block of metal of mass 0.250 kg is heated to 150.0°C and dropped in a copper calorimeter of mass ...

A: Under thermal equilibrium, heat energy remains conserved. Therefore  Heat gained by one material  = ...

Q: You have available a 550 watts pump with 70% efficiency. Is it possible to use this pump to transfer...

A: Given :     Power of the pump(P) = 550W with 70% efficiency                  ⇒ P = 550 x 70100      ...

Q: Situation 8. The 40lb door is supported by hinges at A and B. The y-axis is vertical. The hinges do ...

A: Given: The weight of the door W = 40 lb. As it is mentioned in the problem that hinge B does not ex...

Q: Monochromatic light from a distant source is incident on a slit 0.750 mm wide. On a screen 2.00 m aw...

A: The wavelength of the light is θ1=λa  (1) Here,θ1  is the angle of the line from center of slit to f...

Q: A 1.50 kg book is sliding along a rough horizontal surface.At point A it is moving at 3.21 m/s, and ...

A: (A) According to work energy theorem, the change in kinetic energy of the particle is equal to the w...

Q: How many forces act on the left mass? How many forces act on the cart? How many forces act on the ri...

A: on left mass  2 forces act tension in the string upward weight of block downward on cart 4 forces ...

Q: Calculate the reaction energy Q (in MeV) for the reaction e- + p S n + ne. Is this reaction endoergi...

A: Given: The rest mass of the proton mp = 938.28 MeV/c2 The rest mass of an electron me = 0.511 MeV/c...

Q: The hydrogen iodide (HI) molecule has equilibrium separation 0.160 nm and vibrational frequency 6.93...

A: Given: The vibrational frequency is f=6.93×1013 Hz. The mass of the hydrogen atom is M=1.67×10-27 k...

Q: A 400 Ω resistor and a 6.00 µF capacitor are connected in parallel to an ac generator that supplies ...

A: Given: The value of resistor is R=400 Ω. The value of capacitor is C =6 µF. The value of rms voltag...

Q: *PLEASE ANSWER Question #4* 1) A car is waiting at a stoplight. The car has a mass of 1200 kg. What ...

A: 1) Given: Mass of the  car = 1200 kg  

Q: A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining mo...

A: 2nbenzenet=m+12λ For minimum thickness, the order must be zero.that is , m=0

Q: What are the the main objectives and purposes of e/m electron experiment?

A: The main objectives and purposes of e/m electron experiment are explained as below,

Q: A periscope consists of two flat mirrors and is used for viewing objects when an obstacle impedes th...

A: Given: di = 2.75 md0 = 2.0 m

Q: A cheetah is crouched 20 m to the east of a vehicle . Attime t = 0 the cheetah begins to run due eas...

A: The equation for distance at t = 1 s can be given by, x1=20  m + (5.0 m/s2)(1 s)2  x1=25 m    

Q: A block of mass m is on a frictionless track, initially at a height h above the ground. The block sl...

A: Using conservation of energy of the first block ∆K=-∆Um2u2-0=mghu=2gh Using conservation of momentum...

Q: Two point charges are separated by a distance of 10 cm. Charge on point A =+10 μC and charge on poin...

A: Given values, QA=10 μC=10×10-6 CQB=-5 μC=-5×10-6 Cd=10 cm=10×10-2 m

Q: Does Newton’s second law hold true for an observer in a van as it speeds up, slows down, or rounds a...

A: Given:  Explain about Newton’s second law hold true for an observer in a van asit speeds up, slows d...

Q: Jack throws a ball at an angle of 60 degrees above the horizontal from the top of 45 m tall building...

A: The equation of motion for a projectile fired at an angle θ above the horizontal is given by Where ...

Q: Explain briefly why a fluid in biological membrane must be in a state of buffer.

A: Given: The buffer state of the biological fluid membrane.  

Q: To separate a 0.21 C charge from another charge, 20 J of work is done. What is the electric potentia...

A: GIven: The value of the charge is 0.21 C. The amount of the work done is 20 J. Introduction: Electri...

Q: You are on the west bank of a river that is flowing north with a speed of 1.2 m/s. Your swimming spe...

A: Given: A river that is flowing north with a speed of 1.2 m/s. Speed relative to the water is 1.5 m/s...

Q: Your company develops radioactive isotopes for medical applications. In your work there, you measure...

A: We know,  the activity equation is given by A=A0e-λt From the table it is seen that A0=20,000 At t=0...

Q: In an x-ray diffraction experiment there is only one strong interference maximum, and this occurs wh...

A: nλ=2dsinθλ=2dsinθn=20.158 nmsin36.0°1=0.186 nm

Q: To stretch an ideal spring 3.00 cm from its unstretched length,12.0 J of work must be done. What is ...

A: W=12kx2k=2Wx2

Q: When a mass of 3 kilograms is attached to a spring whose constant is 48 N/m, it comes to rest in the...

A:

Q: Does the speedometer of a car measure speed or velocity? Explain.

A: The speedometer of a car only measures the rotational velocity of the wheels. If you don’t move and ...

Q: At time t = 0 a 2150 kg rocket in outer space fires an engine that exerts an increasing force on it ...

A: Part-a Given: The mass of the rocket m = 2150 kg. The magnitude of the force at time 1.25 s F = 781...

Q: The person whose leg kicks his leg by exerting a 2000-N force with his upper leg muscle. The effecti...

A: (a) The expression for angular acceleration is τ=Iα Here, I is the moment of inertia. The torque can...

Q: Frick's law

A: Frick's law states that the diffusion of particles from the higher concentration region to a lower c...