1. What is the gravitational force of attraction between two persons 1/2 m apart if their masses are both equal to 60 kilograms?

Q: 16. Express 5690000000 in scientific notation 17. How many significant digits does 705.001 have? 18.…

A: Scientific notation : A.B × 10C  where A , B & C are digits

Q: Prof. Chini's research group uses short bursts of laser light to measure the motion of electrons…

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Q: DE-5 The Tokyo-Osaka express is moving at 90.0M/S to the left along its track as shown in the figure…

A: When both observer and source are moving relative to each other there is a change in frequency…

Q: A jet airplane reaches 863. km/h on a certain flight. What distance does it cover in 4.0 min? Set…

A: Given data The velocity of the jet airplane is given as v = 863 km/h. The time interval is given as…

Q: A man walks 19.1982 m directed 149.1237 degrees from the positive x-axis, then he walks 45.3282 m…

A: first leg of displacement = 19.1982 m @ 149.1237 degree from +x axis second leg of displacement =…

Q: Practice Exercise 3: If a pendulum executes 25 complete vibrations in 50s on Earth, What must be its…

A: The time period of a simple pendulum  is defined as the time taken for the pendulum to undergo one…

Q: A passenger jet flies from one airport to another 1,233 miles away in 2.4 h. Find its average speed…

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Q: A logistics has just signed a contract to deliver products to 3 locations, and they are trying to…

A: sds

Q: 9. Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such…

A:

Q: A metallic wire with resistance 8 0 , cross-sectional area 8.2×10-7 m², and conductivity o= 5.81×107…

A: Given, resistance R = 8 Ω             area A = 8.2 × 10-7 m2             conductivity σ = 5.81 × 107…

Q: The figure below shows a simple RC circuit with a 1.70-pF capacitor, a 3.00-MO resistor, a 9.00-V…

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Q: A car has a mass of 2356.4 kg. If the driver has a mass of 72.6 kg, and a package to be mailed has a…

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Q: A rectangular container measuring 18 cm ⨯ 45 cm ⨯ 61 cm is filled with water. What is the mass of…

A: The objective of the question is to find the mass of the water in a rectangular container with given…

Q: 4. As the drawing shows, a carpenter on a space station has constructed a 30.0° ramp. A rocket moves…

A: Given : Angle of the ramp constructed, θ = 30o Relative speed of the rocket, v = 0.568c

Q: The specialty wrench shown in the figure is designed for access to the hold-down bolt on certain…

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Q: A policeman is positioned on a highway without a radar gun. He knows the distance from the…

A: We are given the speed limit. We are also given the distance the car and truck covers. We are also…

Q: A guy travels 33.4325 m in the direction of 122.3175 degrees from the positive x-axis, then 21.7794…

A:

Q: Determine the travel time in hours for a vehicle that was displaced 350 km [N] with an average…

A: Given data:  Displacement (d) = 350 km, towards North Average velocity (v) = 75.0 km/h, towards…

Q: 3. Interactive LearningWare 28.10 reviews the concepts that play roles in this problem. The distance…

A: Time taken to complete the trip is 4.48×10-2 year. Distance from the earth to the centerl0=24000 ly…

Q: o, what formula do you apply to get 16 m ? I was using the…

A: for  t = 4 sec initial velocity of car = V0 = 0 m/s acceleration = a = 4 m/s2 final velocity of car…

Q: 1. A purple line express car starts at Howard station at time 0, pointing north. Its velocity as a…

A: The equation of velocity is given by; v(t)=-6000t2+1000t

Q: 5. A stray dog is walking along a road with a constant speed of 3 miles per hour. He walks for 13…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: A car traveling 98 km/hkm/h is 250 mm behind a truck traveling 83 km/hkm/h . How long will it take…

A: The given data are: uc=98 km/hd=250 mm=0.250 mut=83 km/h Here, uc is the velocity of the car, d is…

Q: A tourist purchases a car in England and ships it home to the United States. The car sticker…

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Q: According to Jules Verne, the Nautilus traveled 20000 leagues under the sea. If it took 1082 days to…

A: Solution:-

Q: Please help me with this question and explain how I can do it myself. thank you! In the following…

A: Solution:

Q: The density of aluminum is 2.7 g/cm3. What is the mass of a cube of aluminum that is 5.592 cm on a…

A: The Density of a Material:The density of a substance, generally denoted as ρ, is defined as the…

Q: Mount Everest is 8848 m high. How many feet is this?

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Q: The distance around the loop in my neighbourhood is 0.50 km. If I run exactly 3 laps of the loop,…

A: For a given object it's change in position vector in a particular direction is termed as…

Q: .In using money in every transaction for transportation,buying goods and paying services,what error…

A: In the given cases, the transaction errors are taking place for transportation, buying goods and…

Q: 6. How much work must be done on an electron to accelerate it from rest to a speed of 0.855c?

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Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

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Q: A man walks 12 0715 m directed 162 6268 degrees from the positive x-axis, then he walks 20 1120 m…

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Q: 6. Express the number in decimal: 1.52 x 10^-2 0.00152 0.152 0.0152 0.000152 7. Express the number…

A: 6) Explanation: The exponent is -2, converting it to  10 to the power of inverse 2. When an exponent…

Q: Anne traveled from Lincoln, Nebraska, to Detroit, Michigan, a distance of 855 miles. She stopped…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: 10. (a) Refer to Table 1.3 to determine the average distance between the Earth and the Sun. Then…

A: from the table(a)distance of earth from sun , r=1011 mnow assuming that earth goes around sun in…

Q: A bird flew 650 km from Manila to Pampanga with an average speed of 28.0 m/s.  How long, in hours,…

A: Given: The distance traveled by the bird is 650 km. The average speed of the bird is 28 m/s.

Q: A man walks 10.1221 m directed 124.9264 degrees from the positive x-axis, then he walks 37.6981 m…

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Q: An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50…

A: Given data:  1 AU = 1.50 × 108 km Speed of light (c) = 3.00 × 108 m/s Required: The speed of light…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!