Round off the answer to the same number of significant digits as are in the measurement with the fewer significant digits. eg. 3.6 cm x 9.354 cm = 33.64308 cm² = 34 cm² (9.23 g) / (8.7 cm³)
Q: Water flows over a section of Niagara Falls at a rate of 1500 kg/s and falls 75 m. How many 60-W…
A: Given: The rate of fall of water is 1500 kg/s. The height of the fall is 75 m. The power of the bulb…
Q: 7. The face of a dam adjacent to the water is vertical, and its shape is in the form of an isosceles…
A:
Q: when was the electric elevator invented (smaller and more practical for taller buildings).
A: The first electric elevator was invented in 1889 by American inventor and engineer Werner von…
Q: An object with a total of 1.3 x 10⁵ J of gravitational potential energy on a 35 m tall cliff would…
A: Given:- gravitational potential energy ( U ) = 1.3 x 10⁵ J height of cliff (h) = 35m
Q: A small statue has a height of 3.24 cm and is placed in front of a concave mirror. The image of the…
A:
Q: F, max t (ms) 8 10 2 4 6.
A:
Q: How many joules of gravitational potential energy does 1 kg book gan when it s elevated 4m
A:
Q: A roller coaster is moving at 15 m/s at the top of the first hill (h=52m). Ignoring friction and air…
A: Given data: Initial velocity (Vi) = 15 m/s Initial height (hi) = 52 m Final velocity (Vf) = 16 m/s…
Q: A rocket has attained a circular orbit around the earth at 6.6 x 106 m from the center of the earth.…
A: Consider the diagram of the Hohmann transfer described in the question as shown below: Here,…
Q: 5698.4 in Hg to Mpa 25.95 Watts to in-lb/min 6469 kg/s to Hp 0.689 Hp to Erg/s
A: 5698.4 in Hg to Mpa1 in of Hg=0.00338639 Mpaso,5698.4 in Hg=0.00338639×5698.4 Mpa…
Q: what is a perpetual bike?
A: The word perpetual means never ending or changing , it also means continuously repeating. The…
Q: How much does the gravitational potential energy of a 1.2 kg object increase if you lift it upward…
A: Given: The mass of the object is 1.2 kg. The height from the ground is 30 cm.
Q: Pin Hole (0) 1m 0.3m 2m бт *not to scale
A: For blue line Let vertical distance on wall is a Now, By symmetric triangle a/(6+2) = 1/2 a = 4…
Q: 7. Pulling the plates of an isolated charged capacitors apart: a. increases the capacitance b.…
A:
Q: The spring of a spring balance is 10 cm long when there is no weight on the balance. The spring is…
A: Given: initial position of the spring balance (x1) = 0.1 m final position of the spring balance (x2)…
Q: If the escape speed of earth is 12km/s, what would be its mass in kg (write in 4 significant…
A:
Q: A 59 kg person climbs up the stairs with a height of 5.5m. Where does the energy come from to cause…
A: Energy come from to cause this increase as potential energy Potential energy increase in this case…
Q: What distance is a rock from the floor if the rock contains 175 joules o potential energy and has a…
A: Given, Rock contains potential energy of 175 J. Mass , m = 25 Kg We know that potential energy = mgh…
Q: Flapping flight is very energy intensive. A wind tunnel test on an 89 g starling showed that the…
A:
Q: the gravitational potential energy of a 20 kg box that is at 5m above the ground is?
A:
Q: The unit of Stefan's constant is (a) watt/m? K* (b) watt/m³K (c) watt/m2 K (d) watt/m K
A: Black body radiation.
Q: What is escape speed?
A: When a body is thwon upward away from the surface of the earth, it goes upto a maximum height and…
Q: At what height is an object that has a mass of 50kg, if its gravitational potential energy is 9800J?
A: Given- Mass of the object m=50kg Gravitational potential energy U= 9800J
Q: A 5kg ball travels in a circle of radius 2m. If it experiences a 20 N force in doing so, what is its…
A: The equation for the centripetal force on an object in circular motion is given by, F=mv2r Here, m…
Q: why is the initiale phase -pi/3
A:
Q: If the kinetic energy of a body of mass 2 kg is 25 J. Its speed is O 25 m/s 15 m/s 5 m/s 2.5 m/s
A: Given: The mass of the body is 2 kg. The kinetic energy is 25 J.
Q: a shot putter hrows a 6kg shot with a final velocity of 7m/s. What is the kinectic energy of the…
A: Given that, A shot putter throws a 6 kg shot with a final velocity of 7 m/s Mass = 6 kg Velocity =…
Q: 30° A. B. C. Restaurant A uniform horizontal strut weighs 300.0 N. One end of the strut is attached…
A: See below
Q: 85. Projectile A is fired with velocity v at an angle of 30.° above the horizontal. Projectile B is…
A: If an projectile is fired with initial speed, v at an angle θ above the horizontal direction,
Q: | A spherical shell has inner radius Rin and outer radius Rout- The shell contains total charge Q,…
A:
Q: 3. In a constant reversible process, heat is added to 3 kg. of an ideal gas (k = 1.4, Cv = 1.3 kJ/kg…
A:
Q: A yacht is driven by a motorboat across a river which is 2000 meters wide. The velocity of the yacht…
A:
Q: A 5kg ball travels in a circle of radius 2m. If it experiences a 20 N force indoing so, what is its…
A:
Q: A wire 4 m long and 0.2 mm in diameter is stretched by a force of 8 kg. Wt. If the wire elongates by…
A: Description : In this case we have to find the energy stored in the wire by having length of wire 4…
Q: (b) What is the pressure increase in the fluid in a syringe when a nurse applies a force of 10 N to…
A:
Q: A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was atop a…
A: Given: Mass of a canon m = 1 kg. Velocity of firing canon v = 5 m/s. height of canon h = 20 m.
Q: The switch in the circuit shown in (Figure 1) has been closed for a long time, and the current…
A: So we have given a circuit in which there are two resistances, a voltage or battery and a…
Asap plzzzzz
Step by step
Solved in 2 steps