A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/sec 1) How long will the stone be going up? 2) How high will the stone go? 3) After how many seconds is the velocity of the ball one-half the initial velocity? 4) What is the height of the ball when its velocity is one-half the initial velocity? pls show computation

Q: A pocket calculator draws 0.40 A of current when connected to a 6.0 V battery. At what rate does the…

A:

Q: is dropped from a cliff. After it has passed a point 12 m below the edge of the A rocket moves…

A:

Q: An object has an acceleration defined by the equation a=5t+4 (m/s^2) where "t" is in seconds. The…

A:

Q: YOUNGS MODULUS FOR A 4m LONG METAL ROD WITH A 0.50cm2 CROSS SECTIONAL AREA THAT STRETCHES 0.20cm UN

A: GivenLength of rod, L=4 mArea of rod, A=0.5 cm2=0.5×10-4 m2Strech length, ∆L=0.2 cm=0.2×10-2…

Q: A space station, in the form of a wheel 100 m in diameter, rotates to provide an "artificial…

A:

Q: What is true about electric force and gravitational force? Select one: The strength of both forces…

A:

Q: 26. An equilateral triangle has a point charge +q at each of the three vertices (A, B, C). Another…

A: Charge +q placed at the vertices of equilateral triangle qA = +q qB = +q qC = +q qD = Q Total force…

Q: An object has an acceleration defined by the equation a=5t+4 (m/s^2) where "t" is in seconds. The…

A:

Q: 3. At what temperature do Fahrenheit and Kelvin scales read the same? x = 574.59

A: as per our company guidelines we are supposed to answer ?️only first question. Kindly repost other…

Q: A hiker begins a trip by first walking 25.0 km 45.0° south of east from her base camp. On the second…

A:

Q: What is the length of a simple pendulum that oscillates with a period of 3.20 s on Earth, where the…

A:

Q: 2. Why is wearing headphones outside during a thunderstorm a bad idea?

A: Wearing headphones outside during a thunderstorm is a bad idea .

Q: 12.0 cm (a) Find the electric poten- tial at points a and b for charges of +4.2 nC and -6.4 nC…

A:

Q: How can four 100 kΩ resistors be connected so that the equivalent resistance of the four equals 250…

A:

Q: P 26. At a point P, a distance Ro 20 from a positive charge Qo, the electric field has a magni- Ro…

A:

Q: #1 Determine the unstretched length of DB to hold the 40-kg crate in the position shown. Take k =…

A:

Q: A cylindrical capacitor having a radius of 2.6 cm and 3.0 cm for positive and negative conductor…

A: We have a cylindrical capacitor of inner and outer radius a=2.6 cm and b=3 cm with charge on each…

Q: The springs of a pickup truck act like a single spring with a force constant of 1.52 ✕ 105 N/m. By…

A:

Q: The hydraulic lift at a car repair shop is filled with oil. The car rests on a 25-cm-diameter…

A:

Q: 1. Which of the following laws is analogous to Gauss's law in electro C. Coulomb's law A. Ampere's…

A: We are authorized to answer one Question at a time, since you have not mentioned which question you…

Q: A legendary Dutch boy saved Holland by plugging a hole in a dike with his finger, which is 1.15 cm…

A:

Q: You are pushing your little sister in a sled over level ground. Their combined mass is 30 kg. The…

A: Given combined mass = 30 kg. The coefficient of friction is 0.2 We have to calculate the force must…

Q: The length of nylon rope from which a mountain climber is suspended has a force constant of 1.48 ✕…

A:

Q: A 70 kg box is resting on a reclining floor. The coefficient of friction between the floor and the…

A: mass of box (m) = 70 kg coefficient of static friction = 0.3coefficient of kinetic friction = 0.10

Q: ) Gold has a specific heat of 130 J/kg X, and wood has a specific heat of 1 300 J/kg-K. If a piece…

A:

Q: A certain brand of hotdog cooker works by applying a potential difference of 134 V across opposite…

A: Dear student The power supplied is defined by: P = VI Here, V = Voltage supplied I = Current…

Q: If a man weighs 900 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration…

A: Given data as per question   weight of man on earth = 900N free fall acceleration  = 25.9m/s2

Q: A strong lightning bolt transfers about 25 C to Earth. a) Draw a sketch of the scenario. b) How many…

A: charge transferred to earth by a strong lightning bolt = 25 C

Q: A 1.2 kW electric heater is connected to a 120 V source. What current flows through the heater?

A: Given Power=1.2kW=1200W Voltage = 120V Unknown ÷ Current (I)= ? Formula ÷ P= I×V I=P/V Current…

Q: 26. Which term identifies a scalar quantity? (1) force (3) displacement (4) velocity (2) energy 27.…

A:

Q: 1. Mario throws a stone vertically upward with a speed of 25m/s from the top of a tower 75 m high.…

A:

Q: Generate a plot of the Maxwell-Boltzmann distribution for N2 with a root mean square speed of 480…

A:

Q: 1. Mario throws a stone vertically upward with a speed of 25m/s from the top of a tower 75 m high.…

A:

Q: A spaceship whose rest length is 272 m has a speed of 0.82c with respect to a certain reference…

A:

Q: aluminum has a higher specific heat capacity than iron this means that for equal masses of aluminium…

A: Answer:- Aluminum has a higher specific heat capacity than iron this means that for equal masses of…

Q: A tennis player tosses a tennis ball straight up and then catches it after 2.00s at the same height…

A:

Q: 1. An object has an acceleration defined by the equation a=5t+4 (m/s²) where “t” is in seconds. The…

A: Given, a(t) = 5t + 4  At t = 0  a = 4 m/s^2  v(t) = 2.5 t^2 + 4 t + v(0)  At t = 0  v(0) = -10  v(t)…

Q: 16. In the figure, a third point charge -q is placed at point P. What is the electric force on -q…

A: Given Three point charges  q , -q, 2q ( as per the fig ) Distance between q and-q = d Distance…

Q: Two 2712 kg train cars roll toward each other (Car A at 0.34 m/s, Car B at -2.5 m/s) on a level…

A: Given Mass of the two cars is m=2712 kg Initial velocity of the two cars are vA=0.34 m/s and vB=-2.5…

Q: 2. How much heat is required to convert 2.0 kg of ice at 0°C to steam at 110.00°C? Answer: Q =…

A:

Q: A radio transmitter broadcast at a frequency of 133 khz what is the wave length of the wave.

A: Speed of light (c) = 3 * 10^8 m/s Frequency (v) = 133 khz =133*10^3 hz We know formula Wavelength…

Q: In a severe head-on collision of an automobile, a deceleration of 60g’s or more (1 g = 32.2 ft/s2)…

A: Consider the given data as below.  Deceleration,  a=60×g=60×32.2=1932 fts2 Mass, m=45 lb…

Q: 2. A student throws a set of keys vertically upward to her sorority sister, who is in window 4.00 m…

A: Given : Height, h = 4.00 m  Time taken, t = 1.5 s  Find : (a) Initial velocity of the key  (b)…

Q: A heavy hydrocarbon oil which has a Cp = 2.30 kJ/kg.K is being cooled in a heat exchanger from 371.9…

A:

Q: olve for the Req, individual currents and voltage drop across each resistors from the given circuit…

A:

Q: 1. A student wants to cool 0.25kg of diet soda (mostly water), initially at 25°C, by adding ice…

A:

Q: please take in mind the 3rd significant digit

A:

Q: virtual object. What is the curvature of the mirror? Group of answer choices concave

A:

Q: Finally, consider the gravitational force generated by a spherically symmetrical massive object. The…

A:

Q: (a) A device consists of an object with a weight of 35.0 N hanging vertically from a spring with a…

A: