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Q: 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so...

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Q: Starting with an initial speed of 5.00 m/s at a height of 0.300 m, a 1.50-kg ball swings downward an...

A: m1 = 1.5 kg m1 = 2.6 kg v1 = 5 m/s v2 = 0 m/s h1=0.3 m

Q: a. 1 kg of water at 70 oC is poured into a 1 kg copper cup initially at 20 oC. The specific heat of ...

A: (a) From the heat equilibrium condition, the equilibrium temperature can be determined as follows....

Q: Two forces, F1 and F2, act on the 7.00-kg block shown in the drawing. The angles made by the forces ...

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Q: 15. A car travels along a straight road. It first accelerates from rest, then travels at a constant ...

A: Introduction: The slope of the velocity time graph gives the acceleration of the object.

Q: If the distance between two negative point charges is increased by a factor of three, the resultant ...

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Q: A person bending forward to lift a load "with his back" (Figure a) rather than "with his knees" can ...

A: T×2L3×sin12°=350 N×(L2)+200 N×L⇒T=32350 N2+200 Nsin12°=2705 N=2.705 kN

Q: An elevator brings a business woman up from the lobby on the ground floor, to her office on the 58th...

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Q: A 0.0331-kg bullet is fired vertically at 156 m/s into a 0.158-kg baseball that is initially at rest...

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Q: A spot of paint on a bicycle tire moves in a circular path of radius 0.41 m. When the spot has trave...

A: Given information: The radius of the circular path, r=0.41 m The linear distance traveled by the spo...

Q: A 51.3-kg pole vaulter running at 9.62 m/s vaults over the bar. Her speed when she is over the bar i...

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Q: The size of atoms varies by only a factor of three or so,from largest to smallest, yet the number of...

A: In any atom as the number of electrons goes higher, in parallel the number of protons in the nucleus...

Q: Farmers must monitor their casstle for signs of infection or diseases. A cow's healthy body temperat...

A: Given: The temperature of cow's body is T=102.5°F. The formula to calculate the temperature in d...

Q: what is the tension of the rope in the picture attached?

A: Given: The external force is 42 N.

Q: A mass m attaches to a spring and reaches its equilibrium point. Assume the mass m is pulleddownward...

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Q: 5 is 450 need help with 6,7 and 8

A: The resistance in the circuit R=1.2 MΩ=1.2×106Ω The capacitance C=5.00μF=5×10-6F The time constant o...

Q: please help me with all parts of this, make sure to double check your answer, i got it wrong, but i ...

A: In a violin, strings are fixed at both ends. The successive harmonics are integral multiples of fund...

Q: An electron and a 140-g baseball are each traveling 120 m/smeasured to a precision of 0.065%. Calcul...

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Q: A 850-kg car slows to rest from a speed of 82.5 km/h in a distance of 105 m. Consider that the car i...

A: Given: The mass of the car is 850 kg. The initial speed is 82.5 km/h. The distance covered is 105 m.

Q: Directions: Select the best answer for the following questions. Use g = 9.80 m/s? and assume all num...

A: According to the condition of equilibrium, the net torque about the pivot point should be equal to z...

Q: A box is being pushed to the right with 45N of force. The box travels a total of 2.8m to the right. ...

A: Given data The push force is F=45 N The distance covered is d=2.8 m The frictional force is FR=13 N ...

Q: (a) What is the wavelength of a 22.75 x 10° HZ radar signal? (b) What is the frequency of an X-ray w...

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Q: A non-BYU Idaho student is having a snow ball fight. 'Accidentally' a snowball travelling north at 1...

A: Given: The speed of snowball is vs=10 m/s. The speed of bicyclist is vb=5 m/s. The mass of snow bal...

Q: A compact car has a maximum acceleration of 2.6. When it carries only the driver and has a total mas...

A: Given: The initial total mass of the car is 1345 kg. The final total mass of the car is 1745 kg. The...

Q: Please Do Part D And E

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Q: Why does water condense on the outside of a glass containing an iced drink? A the coriolis force ...

A: Condensation is a process of phase change from water vapor to liquid. It produces water droplets on ...

Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 5.19 ...

A: Use conservation of energy to calculate the distance of the sled on the inclined track. 12mv2-fd=mgh...

Q: When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are rel...

A: The given values are, PV1.4=CV=450 cm3P=93 kPadPdt=-14 kPa/min decreasing r...

Q: An object is placed 32.7cm from the reflecting surface of a convex mirror having a focal length of -...

A: The given values are, u=32.7 cmf=-10.8 cm

Q: The total mass of a single stage rocket as it sits on the pad ready for launch is 3.20 x 10° kg. If ...

A: The mass of the rocket is m = 3.2×106 kg The rate of fuel consumption is dmdt = 2.3×104 kg/s The sp...

Q: What resistance R must be connected in series with a 200-mH inductor of the resulting RLC oscillatin...

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Q: A 1640 kg car has just passed a diner. The closest the car came to the diner was ?=24.5 m, but the c...

A: The velocity of the car can be found by the following kinematics equation, Here, x, v, a, and t rep...

Q: (I) A proton is traveling with a speed of (8.660 ± 0.012) × 10° m/s. With what maximum precision can...

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Q: The coefficient of kinetic friction is equal to the force of kinetic friction divided by a. the ...

A: (1) Write the relationship between kinetic friction and the normal force. f=μkNμk=fN Thus, the coeff...

Q: tion 13 One of the critical training components for NASA astronauts is the weightlessness simulation...

A: Given: The diameter of the trajectory is d=4.61 km. The acceleration due to gravity is g=9.80 m/s2....

Q: A propeller is accelerated from rest to an angular velocity of 1,075 rev/min over a period of 8.2 se...

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Q: The figure shows the top view of an object of mass m moving on a uniformly rough horizontal surface....

A: Given data: Mass of the object, m=7.15 kg Coefficient of friction, μ=0.644 Radius of the trajectory...

Q: Estimate the angular spread of a laser beam due todiffraction if the beam emerges through a 3.0-mm-d...

A: The wavelength of laser λ=694 nm=694×10-9 m The diameter of the mirror d=3 mm=3×10-3 m The angular s...

Q: A 110 g ball bobbing up and down on the ocean as the waves roll by has a vertical position that can ...

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Q: The systems shown in above figures (a, b, c) are in equilibrium. If the spring scales are calibrated...

A: a) For the first string the weight shown by scale is, F=mg=5×9.8=49 N

Q: Calculate the De-Broglie wavelength for, A biological virus of size d is 10 nm – 300 nm, mass m is...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: 5. Bernoulli II. The fresh water behind a reservoir dam is 15.2 m deep. A horizontal pipe 4.30 cm in...

A: First, calculate the speed at which water streams out through the pipe. v2=u2+2asv2=0+2ghv=2gh=29.8 ...