A ball is dropped from a tower that is 400 m tall. Assuming only gravitational force g = 9.8 m/sec2, how long does it take to reach the ground? (Round your answer to one decimal place.) What is the speed upon impact? (Round your answer to one decimal place.)

Q: A newly discovered planet has a radius of 4.7×106 m and a mass of 5.5×1024 kg . If a rock on this…

A: Given : Radius  of the Planet, R =  4.7×106 m, Mass of the Planet, M =  5.5×1024 kg,  Required :…

Q: Question 13: A block of mass M is released at rest and it is under going a circular motion in a path…

A: given that  mass of block = M radius of path = R friction force f=bθ2/3

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Q: The tallest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of Earth to…

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Q: Gravity pulls on a 500 gram ball as it falls. Assuming the acceleration due to gravity is 9.8 m/s^2,…

A: Here if the gravity is pulling a 500 gram ball towards ground and it's a free fall as it's…

Q: The masses below are mA = 54,281 kg, mB = 75,598 kg, and mC = 22,798 kg.  Find the magnitude of the…

A: Given, mA = 54,281 kg mB = 75,598 kg mC = 22,798 kg x = 0.761 m y = 0.207 m g=9.8   We know the…

Q: As you go above the Earth's surface, the acceleration due to gravity will decrease. Find the height,…

A: The acceleration due to gravity, g, on Earth's surface is given by: g=GMR2 Where G is the…

Q: Two forces act on a 4.25 kg object, the gravitational force and a second, constant force. The object…

A: Given, mass of an object, m = 4.25kginitial speed of the object, u 0time taken, t = 1.20…

Q: (a) Find the magnitude of the gravitational force (in N) between a planet with mass 7.75 ✕ 1024 kg…

A: Write the given values with suitable variables. M=7.75×1024 kgm=2.75×1022 kgr=2.9×108 m Here, M, m,…

Q: After landing on an exoplanet, an astronaut constructs a simple pendulum of length 49 cm. The…

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Q: Three balls are arranged as shown. Balls 1 and 2 have equal masses (M1 = M2 = 34.3kg). Ball 3 has a…

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Q: lease don't provide handwritten solution....   Two forces act on a 4.05 kg object, the…

A: The mass of the object is 4.05 kg.The initial velocity of the object is 0 m/s.The time interval is…

Q: Let's say, you went to Planet B. You took out a 100-g ball, released it from rest from a height of…

A: In the question it is given that the Mass of the ball m=100g=0.1kg initial height of the ball h=10m…

Q: The acceleration due to gravity on the surface of Mars is reported as 3.7 m/s2. Express this value…

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Q: What force is required to keep a 6x1024 kg mass moving in a circle of radius 1.5x1011m with a speed…

A: Centripetal force is the force which makes a body follow a curved path and its direction is always…

Q: acceleration

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Q: The tallest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of Earth to…

A: Given data:  Altitude above sea level (h) = 8850 m Radius of earth (R) = 6369 km = 6369000 m…

Q: A small moon with a mass of 100 kg orbits a very dense asteroid with a mass of 1 million kg. The…

A: The small moon orbiting the 1 million kg asteroid which has mass 100 kg and radius is 500 m, the…

Q: Find the magnitude of the gravitational force (in N) between a planet with mass 6.00 ✕ 1024 kg and…

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Q: A ball of mass 5 slugs is dropped from a height of 800 ft with no initial velocity. The body…

A: This question is based on motion in one dimension.

Q: Three masses, MA = Mg = Mc = M are placed at the vertices of a right triangle ( ljE & ), as shown in…

A: Given data- Three masses MA=MB=MC=M The distance between masses in figure =R Let gravitational force…

Q: You have landed on a strange planet. The computer says its radius is 6.9 x 10 m. You jump, and find…

A: The given values are, R=6.9×107 mg=26.8 m/s2

Q: A sateltle orbits at a height of 6,000 km above the earth's surface. REarth = 6.38 x 10° m, mEarth =…

A: Given that, Mass of earth mearth=5.98×1024 Kg Radius of earth Rearth=6.38×106 m Height of the…

Q: A ball traveling in a circle with a constant speed of 3.6 m/s has a centripetal acceleration of 7.0…

A: Given data: Speed (v) = 3.6 m/s Centripetal acceleration (ac) = 7.0 m/s2 Required: The radius of the…

Q: (a) Find the magnitude of the gravitational force (in N) between a planet with mass 8.00 ✕ 1024 kg…

A: Given data:  Mass of the planet (M1) = 8.00×1024 kg Mass of the moon (M2) = 2.50×1022 kg Distance…

Q: An object is thrown upward at a speed of 71 feet per second by a machine from a height of 8 feet off…

A: Height is given as  h=-16t2+71t+8…

Q: The mass of a planet is one third that of the earth and the diameter of the planet is six times that…

A: Given,      mP=me3                dP=6 de

Q: (A) Find the magnitude of the gravitational force (in N) between a planet with mass 7.75 ✕ 1024 kg…

A: (a) The magnitude of gravitational force is given by,

Q: The equatorial radius of the Earth is 6378 km and gravity at the equator is 9.780 m s-2. Compute the…

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Q: In 2014, the Rosetta space probe reached the comet Churyumov– Gerasimenko. Although the comet’s core…

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Q: ,

A: Given: The distance of the comet from the sun =600 million miles Closest distance of the comet from…

Q: The tires of a go-kart are 1 m in circumference. The tires revolve 15 times per second. What is the…

A: Circumference, C = 1 m Number of revolution in one second, n = 15  Time, t = 40 sec Distance, d = ?

Q: A planet orbiting a distant star has radius 3.54×106 m. The escape speed for an object launched from…

A: Radius, r = 3.54×106 mEscape velocity, v = 7.15×103 m/sAcceleration due to gravity, g = ?

Q: M IS golng a circular motion in a path of radius R as shown in Figure 7. The gravitational force…

A: Here we shall use the law of conservation of energy; Amount of energy dissipated to overcome the…

Q: Two forces act on a 2.55 kg object, the gravitational force and a second, constant force. The object…

A: We are given mass of object. We are also given there are 2 forces acting. We are given displacement…

Q: You are standing on a bathroom scale in an elevator (yes people are staring at you).  You weigh 50…

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Q: If the length of the centrifuge arm is 13.0 m, at what speed is the rider moving when she…

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Q: Newton's law of universal gravitation is represented by Mm F = G- where F is the gravitational…

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Q: (a) Find the magnitude of the gravitational force (in N) between a planet with mass 8.25 ✕ 1024 kg…

A: Gravitational force between two masses m1 and m2 is given as ,  F= G m1m2/(r2)  Here r is the…

Q: he magnitude of the gravitational force (in N) between a planet with mass 7.25 ✕ 1024 kg and its…

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Q: Consider a human who weighs 862 N on Earth. What is the person's mass on Earth? And what is the same…

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Q: In the book 2010: Odyssey Two, Chinese astronauts land on Europa, one of Jupiters Moons. Suppose one…

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