Use formula, D=RT to find T, if D = 20R = 60mph

Q: Air temperature in the Sahara Desert can reach 56.0°C (about 134°F). a) What is the speed of sound,…

A:

Q: A ball has a kinetic energy of 28.9J. If the ball were moving twice as fast, how much kinetic…

A: The kinetic energy of the ball is The ball speed of the ball is made twice.

Q: The figure below shows equipotential lines in a region of space. How much work is needed to move a…

A: An equipotential line is an imaginary line in a region of space where the electric potential at…

Q: A steady beam of alpha particles (q=+2e, mass m = 6.68 x 10-27 kg) traveling with constant kinetic…

A:

Q: During a physics experiment, helium gas is cooled to a temperature of 19.0 K at a pressure of 0.150…

A:

Q: A block is given an initial speed of 4.5 m/s up the 25.0 degree plane ( ignore friction). How far up…

A: Initialvelocity = V0 = 4.5 m/sangle = 25 degrees

Q: In virginia during 1994 Elmer trett reached a speed of 372km/h on his motorcycle. Suppose Trett rode…

A:

Q: An 86.0-kg man stands on a bathroom scale inside an elevator. (a) The elevator accelerates upward…

A:

Q: m₂ 2.0 kg Figure 2 m₁ 210.0 N

A: The masses of blocks are:, andThe blocks are being pulled with force,

Q: In the figure, a 4.3 kg block slides along a track from one level to a higher level after passing…

A:

Q: A patient rehabilitating a knee injury performs knee extension exercises while wearing a 35 N weight…

A:

Q: As shown in the figure, a billiard ball with mass m₂ is initially at rest on a horizontal,…

A: We are given 2 balls. They suffer collision. We first apply conservation of momentum for both x and…

Q: Musicians need to be able to discern frequencies which are quite near each other. Assume that the…

A:

Q: Point charges qA = 6.0 nC is located at (2.00 m, 0) and qB = -2.5 nC is located at (0, 3.00 m). What…

A:

Q: The figure shows a configuration of three point charges in a circular arc segment of radius 4.00 cm.…

A:

Q: A 0.500 kg sphere moving with a velocity given by (2.001 - 3.40 + 1.00k) m/s strikes another sphere…

A: a)Apply the momentum conservation equation and substitute the corresponding values to calculate the…

Q: A vacuum cleaner belt is looped over a shaft of radius 0.42 cmcm and a wheel of radius 1.70 cmcm.…

A:

Q: Consider a rock that is thrown off a bridge of height 68 m at an angle = 21° with respect to the…

A: Write the horizontal component of the initial velocity.Write the vertical component of the initial…

Q: 10. LO 7: A world record was set for the men's 100-m dash in the 2008 Olympic Games in Beijing by…

A:

Q: A 3.12-kg steel ball strikes a massive wall at 10.0 m/s at an angle of 8 = 60.0° with the plane of…

A: Mass (m) = 3.12 kg Velocity (v) = 10.0 m/s Time of contact ( t ) = 0.210 s

Q: A person can lift maximum 50-kg of weight in air. If the person does this weightlifting under water,…

A:

Q: The design of a new road includes a straight stretch that is horizontal and flat but that suddenly…

A:

Q: The diagram shows six point charges arranged in a rectangle. The value of q is 1.97 nC, and the…

A:

Q: A vector A has a magnitude of 17 (in some unspecified units) and makes an angle of 23° with the…

A: “Since you have posted multiple questions with multiple sub parts, we will provide the solution only…

Q: Consider a spherical surface of radius R centered on the origin and carrying a uni- form charge…

A:

Q: A ball of mass m is attached to a string of length L. It is being swung in a vertical circle with…

A:

Q: en A dog sees a squirrel 7.4 m away. The dog runs toward the squirrel at 6.2 m/s. The squirrel was…

A: GivenSpeed of dog The distance which should be covered by dog is given by The distance which should…

Q: Consider a map oriented so that the x-axis runs east-west (with east being the "positive" direction)…

A:

Q: According to Newton’s first law, if no force acts on an object, it will just continue moving.…

A:

Q: Using an application such as Microsoft Excel, create a graph of the Voltage Readings of Different AA…

A: The reading of the voltage and current is: Voltage (V)Current…

Q: Consider an uncharged capacitor and a resistor that are connected in series to e = 15 V battery as…

A:

Q: LO: 1-4: Find the displacement and distance in the two scenarios. In your own words, describe why…

A:

Q: Practice 1. Which of the following represents the relationship between work, power, and time?…

A: Part (1):Power :The power is defined as the total work done by object in per unit time interval,  it…

Q: Still using our simplified model (in which we do not know the magnitudes of the forces), draw a…

A:

Q: An electric skateboarder is travelling west on a path along the river at 5m/s. A brisk walker on the…

A: let initial position of walker is (0,0)than initial position of skateboarder (600,40)velocity of…

Q: An Atwood's machine  consists of two masses: one of mass 1.23 kg and the other of mass 4.96 kg.When…

A: Two masses given are M1 = 1.23 kg M2 = 4.96 kg When the masses are released from rest we have to…

Q: It's your birthday, and to celebrate you're going to make your first bungee jump. You stand on a…

A:

Q: he 1.0 kg physics book is connected by a string to a 500 g coffee cup. The book is ven a push up the…

A:

Q: What happens if a Horizontally polarized light beam goes through a quarter wave plate rotated by 45…

A: a Horizontally polarized light beam goes through a quarter wave plate rotated by 45 degrees.

Q: The blades in a blender rotate at a rate of 6200 rpmrpm . When the motor is turned off during…

A:

Q: Three forces are applied to a wheel of radius 0.350 mm, as shown in the figure below. One force is…

A:

Q: A ball is fired horizontally with a speed of 9m/s from the top of the table which is 2.9m high. How…

A:

Q: The figure shows a 0.401-kg block sliding from A to B along a frictionless surface. When the block…

A:

Q: The current supplied by a battery slowly decreases as the battery runs down. Suppose that the…

A:

Q: If you walk 48 feet north and then 89 feet east, how far, in a straight line, will you be from your…

A:

Q: Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question

A: Direction of velocity in a projectile motion is always changeable with respect to time at every…

Q: You are helping a patient to strengthen their hip flexors. Your patient is performing a hip flexion…

A: The mass of the thigh is: The mass of the shank is:  The mass of the foot is: The angle of the leg…

Q: The drawing shows three identical rods (A, B, and C) moving in different planes. A constant magnetic…

A: Motional emf = BlvL = 1.9 mB = 0.65 TVA=VC = 2.7 m/s

Q: At 7 s? Express your answer with the appropriate units.

A: The formula to find the slope is = Slope= tan( theta) = dy/dxHere, the slope at 7 seconds isSlope =…

Q: Find the angular acceleration of the disk about its center of mass. Express your answer in radians…

A: