A ball is fired from a cannon into the air at a 45° angle. What shape will the cannonball's path follow?   A. parabola  B. circle C. ellipse  D. horizontal line

Q: Suppose that the Earth rotated on its axis so fast that people at the equator weighed half what they…

A: Given: when earth is rotated fast people at the equator weighed half the weight at the pole.

Q: 1- What time is it when the hour angle is 30°.

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Q: I'm on vacation in Ecuador.  I'm having lunch at noon, and I notice that the sun is directly over my…

A: When sun is directly over head, what date or month it might be.

Q: 13 Pluto is a dwarf planet that is 3670 million miles from the Sun with a diameter of 1413 miles.…

A: According to Inverse square law, the radiation intensity is inversely proportional to distance.…

Q: A small airplane leaves an airport on an overcast day and is later sighted 215 km away, in a…

A:

Q: to measure altitude with a barom

A: Given:- Is it possible to measure altitude with a barometer? Find:- Explain? Solution:-  Barometer:-…

Q: Two hot-air balloons are 54.2 and 66.0 m above the ground. A person in the lower balloon observes…

A: Tan θ = perpendicular /base

Q: 44. Hours in a Martian Day Mars rotates on its axis at the rate of about 0.2552 radian per hr.…

A: The rotation period of Mars is, T=2πω Here, T  represents the rotation period or martian day in…

Q: The captain of a ship views the top of a lighthouse at an angle of 60" with the horizontal at an…

A:

Q: Define/explain Vertical Circular Motion.

A: Vertical circular motion : A body is said to be in verticle circular motion when the motion of the…

Q: A cork shoots out of a champagne bottle at an angle of 35.00 above the horizontal. If the cork…

A: Given Data: The angle at which cork shoots is: θ=35.00° The horizontal distance is: d=1.30 m The…

Q: Q5. (i) With the aid of a sketch show what the Prime Meridian is. (ii) What is the “Ecliptic” as…

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Q: Calculate the tidal force (the difference in gravitational force from right to left side or G(R) -…

A:

Q: 1. The center-to-center distance between Earth and Moon is 384, 400 km. The Moon completes an orbit…

A: Given, Distance between earth and moon is d = 384400 Km = 384400 x 103 m Time T = 27.3 Days = 27.3 x…

Q: UUse the table to answer questions T13 A student collects the following data about the Sun, stars,…

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Q: In the control tower at a regional airport, an air traffic controller monitors two aircraft as their…

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Q: Calculate the force of gravity on a (1.2x10 to the power of negative 5 kg) space station at a…

A: so I am quite sure, the values in the power of 10 must be positive because having a mass of…

Q: 4. As it passes Grand Bahamas Islands, the eye of the hurricane Katrina is moving in a direction of…

A: The graphical representation of the movement of hurricane Katrina is given as:

Q: The radius of the moon is roughly 1080 miles . The acceleration of gravity at the surface of the…

A: Given Data Radius of the moon is given as Rmoon=1080 mi=1080 mi×1609 m1 mi=1.74×106 m Gravitational…

Q: what is the longest distance d you can swim?

A:

Q: Why are all large celestial bodies (stars, planets, larger moons) very nearly spherical in shape?…

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Q: You go on a hike with some friends. First, you travel 1.7 miles in a direction due west. Then, you…

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Q: 22. One of the moons of an unknown planet has an orbital radius of 245,000 miles and a period of 20…

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Q: Asha is walking along a straight path from the National Geographic Museum towards the International…

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Q: 39. Suppose you could safely explore every terrestrial world in the solar system to conduct basic…

A: Given data:

Q: Question 1. The Earth takes 1 year to complete a circular orbit around the sun. It takes 500 s for…

A: Time taken for Earth's revolution, T = 1 yTo convert this into seconds, we multiply it by 365 days,…

Q: A child loves to watch as you fill a transparent plastic bottle with shampoo (see figure below).…

A: the expression to calculate the rate of change of volume is

Q: Two hot-air balloons are 54.2 and 66.0 m above the ground. A person in the lower balloon observes…

A: Let the first balloon be at A and the second balloon be at B.

Q: 1. The reason that there are two daily tides on Earth is that one occurs when the sun is overhead…

A: True, because Tides occur due to moon pull but also due to the sun’s gravity.

Q: 4. From Earth, the angular size of the Moon is 0.5°. The distance between the Earth and the Moon is…

A: The small-angle approximation for the case as shown in figure is given as-θ=LR

Q: You are spending the summer as an assistant learning how to navigate on a large ship carrying…

A: .

Q: 4. Along its equator, Jupiter rotates once about its axis every 9 hours and 56 minutes. Its…

A: Centripetal acceleration  Ac = r×w^2  w= angular speed = 2π/T And Gravitational force F = G M1…

Q: 2. If Earth didn't spin on its axis but still revolved around the Sun, how long would an Earth day…

A: Generally, Day and night formation is actually due to the rotation of earth about its own axis

Q: As the earth rotates, what is the speed of a physics student in Miami, Florida, at latitude 26°?…

A:

Q: + Gary saw the Moon at night in the sky. Here is what he observed. He checked after some time that…

A: Solution:

Q: Two moons orbits a planet. Describe the orientation of the moons in their orbits that will result in…

A: Tides are the rhythmic rise and fall of sea level due to changing gravitational forces because of…

Q: 2. Supposed that you are weighing 54kg, what is your weight provided that you are in the surface of…

A: Given Data :                                                   Weight of…